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Open demand × Furnace, Steam Plant, and Drying Equipment; and Nuclear Reactors

Driers, Dehydrators, and Anhydrators FSC 4440

Open solicitations in Federal Supply Class 4440 — 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.

22
Open solicitations
16
Closing within 7 days
3,118
Total open quantity
100
Tracked all-time (78 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
5101520Nov 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

4440-01-411-2780

DEHYDRATOR UNIT,NONREACTIVATING

Open · closes today 2 units Named source

1 solicitation (1 open · 0 closed)

4440-01-087-7216

CARTRIDGE,DEHYDRATOR

Open · closes in 3d 87 units Competed

3 solicitations (1 open · 2 closed)

4440-01-599-4929

CARTRIDGE,DESICCANT

Open · closes in 3d 625 units Named source

1 solicitation (1 open · 0 closed)

4440-12-154-7226

CARTRIDGE, DEHYDRATO

Open · closes in 3d 200 units

1 solicitation (1 open · 0 closed)

4440-01-557-6213

DRIER,AIR-GAS,DESICCANT

Open · closes in 3d 25 units Named source

1 solicitation (1 open · 0 closed)

4440-01-679-6239

DEHYDRATOR UNIT,NONREACTIVATING

Open · closes in 3d 43 units Named source

1 solicitation (1 open · 0 closed)

4440-01-560-6277

DESICCANT PACK

Open · closes in 3d 21 units Named source

1 solicitation (1 open · 0 closed)

4440-01-663-2801

DEHUMIDIFIER,DESICCANT,ELECTRIC

Open · closes in 3d 2 units Competed

1 solicitation (1 open · 0 closed)

4440-01-649-4315

DEHYDRATOR UNIT,NONREACTIVATING

Open · closes in 3d 108 units Competed

1 solicitation (1 open · 0 closed)

4440-12-399-2587

DEHUMIDIFIER, SPACE

Open · closes in 3d 5 units

1 solicitation (1 open · 0 closed)

4440-01-602-3643

MODULE,DRYER ASSEMBLY

Open · closes in 3d 9 units Named source

1 solicitation (1 open · 0 closed)

4440-01-020-5576

CARTRIDGE,DEHYDRATOR

Open · closes in 3d 139 units Named source

2 solicitations (1 open · 1 closed)

4440-01-391-8276

PARTS KIT,AIR DRIER

Open · closes in 3d 79 units Competed

2 solicitations (1 open · 1 closed)

4440-01-213-4499

TOWER ASSEMBLY,DESI

Open · closes in 5d 2 units Named source

2 solicitations (1 open · 1 closed)

4440-01-187-7641

WHEEL,FAN,DEHUMIDIFIER

Open · closes in 7d 60 units Named source

1 solicitation (1 open · 0 closed)

4440-01-273-2564

DEHUMIDIFIER,DESICCANT,ELECTRIC

Open · closes in 7d 7 units Named source

3 solicitations (1 open · 2 closed)

4440-01-459-4300

MEMBRANE ELEMENT AS

Open · closes in 10d 42 units Named source

1 solicitation (1 open · 0 closed)

4440-01-665-4300

MEMBRANE ASSEMBLY

Open · closes in 10d 1 units Competed

1 solicitation (1 open · 0 closed)

4440-01-547-6462

CARTRIDGE,DEHYDRATOR

Open · closes in 10d 1,661 units Competed

3 solicitations (1 open · 2 closed)

4440-01-290-5029

DEHYDRATOR UNIT,NONREACTIVATING

Closed · last Oct 26, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-01-081-1391

PARTS KIT,AIR DRIER

Closed · last Oct 26, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4440-01-411-1120

CONDENSATE DISCHARG

Closed · last Oct 26, 2026 — units Named source

4 solicitations (0 open · 4 closed)

4440-01-543-3575

CARTRIDGE,DEHYDRATOR

Closed · last Oct 26, 2026 — units Competed

2 solicitations (0 open · 2 closed)

4440-01-556-2857

DEHUMIDIFIER,SPACE

Closed · last Oct 26, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4440-01-582-6344

CARTRIDGE,DEHYDRATOR

Closed · last Oct 26, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-01-213-4500

TOWER ASSEMBLY,DESI

Closed · last Oct 26, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-01-461-9613

ELEMENT,FILTER

Closed · last Oct 21, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-01-598-3698

CARTRIDGE,DEHYDRATOR

Closed · last Oct 21, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4440-01-698-8300

CARTRIDGE,DEHYDRATOR

Closed · last Oct 19, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4440-01-468-8736

WHEEL,DESSICANT

Closed · last Oct 16, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-01-700-8032

DEHUMIDIFIER,SPACE

Closed · last Oct 16, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4440-01-683-2476

DESICCANT PACK

Closed · last Oct 13, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-99-155-6468

DRIER, AIR-GAS, DESIC

Closed · last Oct 13, 2026 — units

1 solicitation (0 open · 1 closed)

4440-01-377-3201

CARTRIDGE,DEHYDRATOR

Closed · last Oct 13, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4440-01-450-0056

PARTS KIT,AIR DRIER

Closed · last Oct 13, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-01-506-4096

DEHYDRATOR UNIT,NONREACTIVATING

Closed · last Oct 13, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4440-01-450-0826

PARTS KIT,AIR DRIER

Closed · last Oct 13, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4440-01-524-7641

CARTRIDGE,DEHYDRATOR

Closed · last Oct 13, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-01-561-5712

DEHUMIDIFIER,SPACE

Closed · last Oct 13, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4440-01-104-5329

PLATE,COVER,DEHYDRATOR

Closed · last Oct 13, 2026 — units Named source

3 solicitations (0 open · 3 closed)

4440-01-202-2080

PARTS KIT,DEHYDRATOR

Closed · last Oct 9, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4440-01-268-4607

DEHYDRATOR UNIT,NONREACTIVATING

Closed · last Oct 6, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-12-320-4814

DESICCANT CONTAINER, DE

Closed · last Oct 5, 2026 — units

1 solicitation (0 open · 1 closed)

4440-01-445-9700

DRIER,AIR-GAS,DESICCANT

Closed · last Oct 5, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4440-01-569-5272

DRIER,AIR-GAS,DESICCANT

Closed · last Oct 2, 2026 — units Named source

3 solicitations (0 open · 3 closed)

4440-01-451-9331

PARTS KIT,AIR DRIER

Closed · last Sep 29, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4440-01-428-9877

DEHYDRATOR UNIT,NONREACTIVATING

Closed · last Sep 29, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4440-01-670-2309

DRIER,AIR-GAS,DESICCANT

Closed · last Sep 27, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-00-255-9245

DEHUMIDIFIER PACK

Closed · last Sep 25, 2026 — units Competed

2 solicitations (0 open · 2 closed)

4440-01-312-7330

PARTS KIT,AIR DRIER

Closed · last Sep 18, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-01-487-5665

DEHYDRATOR UNIT,NONREACTIVATING

Closed · last Sep 17, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4440-12-361-7497

CARTRIDGE, DEHYDRATOR

Closed · last Sep 17, 2026 — units

2 solicitations (0 open · 2 closed)

4440-00-051-3165

DEHYDRATOR UNIT,NONREACTIVATING

Closed · last Sep 14, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-01-694-6778

DRIER,AIR-GAS,DESICCANT

Closed · last Sep 14, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-00-858-6010

DEHYDRATOR UNIT,NONREACTIVATING

Closed · last Sep 14, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4440-01-232-8213

DEHUMIDIFIER,SPACE

Closed · last Sep 8, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4440-01-648-4304

PARTS KIT,AIR DRIER

Closed · last Sep 3, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-01-434-8057

DEHYDRATOR UNIT,NONREACTIVATING

Closed · last Sep 3, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-01-448-5175

DEHYDRATOR UNIT,NONREACTIVATING

Closed · last Aug 28, 2026 — units Named source

2 solicitations (0 open · 2 closed)

4440-99-897-3529

PARTS KIT, AIR DRIER

Closed · last Aug 20, 2026 — units

1 solicitation (0 open · 1 closed)

4440-00-484-2747

HOUSING,DRIER,OXYGE

Closed · last Aug 20, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4440-01-568-7589

DEHYDRATOR UNIT,NONREACTIVATING

Closed · last Aug 17, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-01-348-6358

PARTS KIT,AIR DRIER

Closed · last Aug 17, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4440-01-248-3109

CARTRIDGE,DEHYDRATOR

Closed · last Aug 17, 2026 — units Competed

1 solicitation (0 open · 1 closed)

4440-01-549-8252

CARTRIDGE,DEHYDRATOR

Closed · last Aug 17, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-12-401-2315

DESICCANT CONTAINER, DE

Closed · last Aug 17, 2026 — units

1 solicitation (0 open · 1 closed)

4440-00-851-5539

DEHYDRATOR UNIT,NONREACTIVATING

Closed · last Aug 17, 2026 — units Named source

1 solicitation (0 open · 1 closed)

4440-01-459-3984

CONDENSATE DISCHARG

Closed · last Aug 6, 2026 — units Named source

1 solicitation (0 open · 1 closed)

Cite this page
Citation

NSN Explorer. "Driers, Dehydrators, and Anhydrators FSC 4440." nsnexplorer.com, https://nsnexplorer.com/open/4440/. Data as of November 6, 2026.

Link

https://nsnexplorer.com/open/4440/