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Open demand × Instruments and Laboratory Equipment

Hazard-Detecting Instruments and Apparatus FSC 6665

Open solicitations in Federal Supply Class 6665 — real requests for quote a supplier can bid on today, linked to the official DIBBS record for each one — plus the ones we've already recorded as they closed. Nothing here gets deleted when it expires: this category's demand history grows every time an RFQ closes.

21
Open solicitations
9
Closing within 7 days
2,762
Total open quantity
175
Tracked all-time (154 closed)

Closing dates and quantities

Closing calendar

What closes when? Solicitations by closing date for the next 30 days.

  • Closes within 7 days
  • Closes later
246810Nov 6Nov 13Nov 20Nov 27Dec 4closing date

Counts as of Nov 6, 2026. Weekends are near zero because DLA sets weekday deadlines.

Bid-window map

Which open solicitations are large, and how long is left? One mark per solicitation.

  • Coded for competition
  • Coded for a named source
  • Not coded
1101001,00010,000today7d14dthis weekdays until the solicitation closesquantity requested (log scale)

Open parts

6665-20-001-8480

INDICATOR, CARBON MONOX

Open · closes in 3d 15 units

13 solicitations (2 open · 11 closed)

6665-01-718-9960

SWAB,CHEMICAL AGENT SAMPLING KIT

Open · closes in 3d 28 units Named source

2 solicitations (1 open · 1 closed)

6665-01-240-2586

RADIACMETER

Open · closes in 3d 6 units Competed

1 solicitation (1 open · 0 closed)

6665-01-554-8014

DETECTOR,EXPLOSIVE ORDNANCE

Open · closes in 3d 9 units Named source

1 solicitation (1 open · 0 closed)

6665-00-878-0797

INDICATOR,CARBON MONOXIDE

Open · closes in 3d 106 units Named source

2 solicitations (1 open · 1 closed)

6665-01-555-6126

CONFIDENCE CHECKER ASSEMBLY

Open · closes in 7d 746 units Named source

1 solicitation (1 open · 0 closed)

6665-01-617-5554

DETECTOR,GAS

Open · closes in 10d 1 units Named source

3 solicitations (1 open · 2 closed)

6665-01-603-7537

PROBE,MINE

Open · closes in 10d 186 units Named source

1 solicitation (1 open · 0 closed)

6665-01-608-2720

DETECTOR,GAS

Open · closes in 10d 16 units Named source

1 solicitation (1 open · 0 closed)

6665-01-557-1467

REAGENT SET, WATER TEST

Open · closes in 10d 5 units

1 solicitation (1 open · 0 closed)

6665-01-690-8588

DETECTOR,GAS

Open · closes in 10d 58 units Named source

1 solicitation (1 open · 0 closed)

6665-01-462-2251

INDICATOR,CARBON MONOXIDE

Open · closes in 11d 1,256 units Named source

2 solicitations (1 open · 1 closed)

6665-01-478-9209

PROBE,SAMPLING,GAS INDICATOR

Open · closes in 11d 177 units Named source

1 solicitation (1 open · 0 closed)

6665-01-691-0252

DETECTOR,GAS

Open · closes in 11d 143 units Named source

1 solicitation (1 open · 0 closed)

6665-00-710-7815

PUMP,DETECTOR KIT

Closed · last Nov 5, 2026 — units Competed

2 solicitations (0 open · 2 closed)

6665-01-431-8172

CASE,RADIAC SET

Closed · last Nov 5, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-01-705-8651

PANEL,CONTROL,ELECTRICAL-ELECTRO

Closed · last Nov 4, 2026 — units Competed

2 solicitations (0 open · 2 closed)

6665-01-416-7938

CALIBRATOR SET,RADIAC

Closed · last Nov 4, 2026 — units Named source

3 solicitations (0 open · 3 closed)

6665-01-692-9177

DETECTOR,GAS

Closed · last Nov 2, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-504-8535

HAND HELD ASSAY

Closed · last Nov 2, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-608-3322

DETECTOR,GAS

Closed · last Nov 2, 2026 — units Named source

3 solicitations (0 open · 3 closed)

6665-01-089-4437

SIGHT GLASS,DETECTOR

Closed · last Nov 2, 2026 — units Competed

3 solicitations (0 open · 3 closed)

6665-01-607-0633

DETECTOR,GAS

Closed · last Nov 2, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-699-1772

DETECTOR KIT,GAS

Closed · last Nov 2, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-01-552-1356

TEST KIT,HEAT DETECTOR

Closed · last Nov 2, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-12-389-1630

FILTEREINHEIT, GEFA

Closed · last Oct 30, 2026 — units

2 solicitations (0 open · 2 closed)

6665-01-543-6452

CHEM CASSETTE

Closed · last Oct 30, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-623-9280

SENSOR HEAD,MINE DETECTOR

Closed · last Oct 30, 2026 — units Named source

3 solicitations (0 open · 3 closed)

6665-01-691-9679

INLET STACK

Closed · last Oct 29, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-01-609-3541

DETECTOR,GAS

Closed · last Oct 26, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-01-645-8421

DETECTOR CAPSULES,CHEMICAL AGENT

Closed · last Oct 26, 2026 — units Competed

2 solicitations (0 open · 2 closed)

6665-01-644-9252

TOOL,CARBON MONOXIDE

Closed · last Oct 26, 2026 — units Competed

1 solicitation (0 open · 1 closed)

6665-01-549-2575

FILTER,ULTRAVIOLET LIGHT

Closed · last Oct 26, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-01-690-9106

PROBE,SAMPLING,GAS INDICATOR

Closed · last Oct 26, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-724-2911

INDICATOR,CARBON MONOXIDE

Closed · last Oct 23, 2026 — units

1 solicitation (0 open · 1 closed)

6665-01-293-7641

GUARD,SENSOR

Closed · last Oct 23, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-01-561-4223

DETECTOR,GAS

Closed · last Oct 23, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-542-4483

KIT,SYRING,VALVE8

Closed · last Oct 23, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-01-714-6345

INDICATOR,CARBON MONOXIDE

Closed · last Oct 23, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-561-3172

DETECTOR,GAS

Closed · last Oct 23, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-462-5973

ALARM,AUDIO-VISUAL

Closed · last Oct 23, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-652-8446

DETECTOR,GAS

Closed · last Oct 23, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-627-8701

DETECTOR,GAS

Closed · last Oct 22, 2026 — units Named source

7 solicitations (0 open · 7 closed)

6665-01-539-4782

REPAIR KIT,CARBON MONOXIDE INDIC

Closed · last Oct 21, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-416-9581

FITTING,CALIBRATION

Closed · last Oct 21, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-690-8069

DETECTOR KIT,GAS

Closed · last Oct 21, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-633-0292

ALARM,GAS,AUTOMATIC

Closed · last Oct 21, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-690-8137

DETECTOR KIT,GAS

Closed · last Oct 21, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-710-6177

ALARM,GAS,AUTOMATIC

Closed · last Oct 21, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-608-2667

DETECTOR,GAS

Closed · last Oct 19, 2026 — units Named source

3 solicitations (0 open · 3 closed)

6665-01-608-4910

DETECTOR,GAS

Closed · last Oct 19, 2026 — units Named source

3 solicitations (0 open · 3 closed)

6665-01-609-1302

DETECTOR,GAS

Closed · last Oct 19, 2026 — units Competed

4 solicitations (0 open · 4 closed)

6665-01-608-3051

DETECTOR,GAS

Closed · last Oct 19, 2026 — units Competed

3 solicitations (0 open · 3 closed)

6665-01-542-6534

WET WALL CYCLONE

Closed · last Oct 19, 2026 — units Competed

1 solicitation (0 open · 1 closed)

6665-01-646-9620

INDICATOR,CARBON MONOXIDE

Closed · last Oct 19, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-717-0217

TUBE,SAMPLING,AUTOMATIC CHEMICAL

Closed · last Oct 19, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-12-400-0688

PROBE, GAS

Closed · last Oct 19, 2026 — units

4 solicitations (0 open · 4 closed)

6665-01-240-5793

DETECTOR,GAS

Closed · last Oct 16, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-330-6293

DETECTOR,GAS

Closed · last Oct 16, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-415-4953

DETECTOR HEAD

Closed · last Oct 14, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-00-999-2785

DETECTOR PAD,FREE WATER

Closed · last Oct 14, 2026 — units Competed

1 solicitation (0 open · 1 closed)

6665-01-054-8160

INDICATOR TUBE,GAS

Closed · last Oct 14, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-415-4957

SENSOR ASSEMBLY

Closed · last Oct 13, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-01-523-7267

BRUSH,INSTRUMENT,DETECTION SYSTE

Closed · last Oct 13, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-565-6215

DETECTOR,GAS

Closed · last Oct 9, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-415-4956

DETECTOR HEAD

Closed · last Oct 9, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-552-4934

PROBE,SAMPLING,GAS INDICATOR

Closed · last Oct 9, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-539-7171

INDICATOR,CARBON MONOXIDE

Closed · last Oct 9, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-539-8270

INDICATOR,CARBON MONOXIDE

Closed · last Oct 9, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-682-7311

SENSOR,NITROGEN

Closed · last Oct 9, 2026 — units Named source

3 solicitations (0 open · 3 closed)

6665-01-702-3955

RADIOACTIVE TEST SAMPLE

Closed · last Oct 6, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-541-2811

INDICATOR,CARBON MONOXIDE

Closed · last Oct 6, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-628-5373

SENSOR,CO

Closed · last Oct 6, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-619-4028

DETECTOR,HYDROGEN SULFIDE

Closed · last Oct 6, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-711-0305

ALARM,CHEMICAL AGENT,AUTOMATIC

Closed · last Oct 5, 2026 — units Competed

1 solicitation (0 open · 1 closed)

6665-01-587-7641

SCINTILLATOR

Closed · last Oct 5, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-381-3023

WET BULB-GLOBE TEMPERATURE KIT

Closed · last Oct 5, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-00-470-4981

COUNTER PROPORTIONA

Closed · last Oct 5, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-608-3038

DETECTOR,GAS

Closed · last Oct 2, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-01-698-7995

DETECTOR,EXPLOSIVE ORDNANCE

Closed · last Oct 1, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-01-514-1790

METER,ROENTGEN RATE

Closed · last Sep 30, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-512-4724

INDICATOR TUBE,GAS

Closed · last Sep 30, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-723-2328

DETECTOR,GAS

Closed · last Sep 21, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-12-396-2061

FILTEREINHEIT, GEFA

Closed · last Sep 21, 2026 — units

1 solicitation (0 open · 1 closed)

6665-01-300-4557

FILTER,CHARCOAL

Closed · last Sep 14, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-557-1459

REAGENT SET,WATER TESTING

Closed · last Sep 8, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-557-1457

REAGENT SET,WATER TESTING

Closed · last Sep 8, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-612-7806

CALIBRATION KIT,GAS INDICATORS A

Closed · last Sep 8, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-627-8637

RADIOACTIVE TEST SAMPLE

Closed · last Sep 8, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-645-8677

INDICATOR TUBE,GAS

Closed · last Sep 1, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-01-230-2652

MONITOR KIT,FUEL SAMPLING

Closed · last Sep 1, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-01-486-6526

ELEMENTHYDORGEN SUL

Closed · last Aug 24, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-658-9171

DETECTOR,GAS

Closed · last Aug 24, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-01-538-2224

CALIBRATION CHECK KIT,GAS MONITO

Closed · last Aug 21, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-12-389-1627

TEST SET SUBASSEMBL

Closed · last Aug 21, 2026 — units

1 solicitation (0 open · 1 closed)

6665-01-682-5581

INDICATOR,CARBON MONOXIDE

Closed · last Aug 19, 2026 — units Named source

1 solicitation (0 open · 1 closed)

6665-99-666-6369

SENSOR, COMBUSTABLE,

Closed · last Aug 19, 2026 — units

1 solicitation (0 open · 1 closed)

6665-99-870-1476

SENSOR, OXYGEN

Closed · last Aug 19, 2026 — units

1 solicitation (0 open · 1 closed)

6665-01-499-7234

ALARM,GAS,AUTOMATIC

Closed · last Aug 17, 2026 — units Named source

2 solicitations (0 open · 2 closed)

6665-00-682-4765

WATER TESTING KIT,BACTERIOLOGICA

Closed · last Jul 23, 2026 — units Competed

1 solicitation (0 open · 1 closed)

Cite this page
Citation

NSN Explorer. "Hazard-Detecting Instruments and Apparatus FSC 6665." nsnexplorer.com, https://nsnexplorer.com/open/6665/. Data as of November 6, 2026.

Link

https://nsnexplorer.com/open/6665/