Acquisition method (AMC)
1
FSC 6685 × GAGE,COMPOUND PRESSURE-VACUUM,DI
GAGE,COMPOUND PRESSURE-VACUUM,DI
6685-01-156-4640 FSC 6685
NSN 6685-01-156-4640 (also written 6685011564640; NIIN 01-156-4640) is a gage, compound pressure-vacuum, di in Federal Supply Class 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
R
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| OVERALL DEPTH ABFY | INCHES NOMINAL 2.406 |
| BOLT CIRCLE DIAMETER ABKG | INCHES NOMINAL 5.875 |
| MOUNTING HOLE DIAMETER ABTB | INCHES NOMINAL 0.219 |
| MOUNTING HOLE QUANTITY ABTJ | 3 |
| OVERALL DIAMETER ADAV | INCHES NOMINAL 4.969 |
| GRADUATION UNIT ANBJ | INCHES 10.0 AND POUNDS PER SQUARE INCH 5.0 |
| ACTUATION TYPE APCM | BOURDON TUBE |
| ADJUSTABILITY APCS | ADJUSTABLE |
| SCALE RANGE APSK | INCHES 0.0 TO 30.0 AND POUNDS PRESSURE PER SQUARE INCH 0.0 TO 30.0 |
| SCALE NAME AQFZ | PRESSURE-VACUUM |
| DIAL SIZE ARCH | 4-1/2 IN. DIA |
| CONNECTION QUANTITY ASMM | 1 |
| POINTER COLOR ASSS | BLACK AND RED |
| POINTER TYPE ASST | INDICATING AND REFERENCE |
| SCALE TYPE ATEQ | SINGLE |
| SCALE SMALLEST INCREMENT AWAG | INCHES 1.0 AND POUNDS PER SQUARE INCH (PSI) 1.0 |
| CONNECTION TYPE AWLS | EXTERNAL |
| MOUNTING METHOD AXGY | SURFACE |
| SCALE ACCURACY BGKS | PORM 1 PCT FULL RANGE |
| SCALE INSCRIPTION/BACKGROUND COLOR BGKZ | BLACK MARKINGS ON WHITE BACKGROUND |
| CONNECTION LOCATION BGRY | BACK |
| CONNECTION SIZE BHMG | 0.250 IN. NPT DIA |
| SPECIAL FEATURES FEAT | DIAPHRAGM; NICKEL COPPER ALLOY; 1/4 IN. NPT GAUGE CONNECTION; SADDLE TYPE PROCESS CONNECTION; 3 IN. DIA PIPE; FILLED WITH LOW TEMPERATURE SILICONE AND CALIBRATED |
| MATERIAL MATT | ACTUATING ELEMENT NICKEL ALLOY |
| MATERIAL MATT | PROTECTIVE CRYSTAL PLASTIC |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| EA24-3CB4-RWBX D19-10 | 049X3 | ASHCROFT INC DBA HEISE, WEKSLER |
| SA24-3CA4-RWBX D19-10 | 64467 | WEKSLER GLASS THERMOMETER CORP |
| SA24-3CB4-RWBX D19-10 | 64467 | WEKSLER GLASS THERMOMETER CORP |
| SSX30C2-D04113P20 | 9N735 | MONARCH SUPPLY COMPANY, INC. DBA MONARCH SUPPLY CO INC |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
$3,200.00
Purchases
1
Total spend
$6,400
Aug 26, 2026
Last purchased
2 · 2.0/yr
Purchase records
$12,800
Total demand
$3,200.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Aug 26, 2026 | 2 | $3,200.00 | $6,400 | MMC METROLOGY LAB, INC. DBA MMC METROLOGY LAB INC (53986) | Unknown | Source ↗ |
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Aug 26, 2026 | SPE4A626P0AAG ↗ | MMC METROLOGY LAB, INC. DBA MMC METROLOGY LAB INC | — | $6,400 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
MMC METROLOGY LAB, INC. DBA MMC METROLOGY LAB INC
last award Aug 2026
ASHCROFT INC DBA HEISE, WEKSLER
no award yet
no awards on record
Listed source MONARCH SUPPLY COMPANY, INC. DBA MONARCH SUPPLY CO INC
no award yet
no awards on record
Listed source WEKSLER GLASS THERMOMETER CORP
no award yet
no awards on record
Listed source MMC METROLOGY LAB, INC. DBA MMC METROLOGY LAB INC won the only award on record. MMC METROLOGY LAB, INC. DBA MMC METROLOGY LAB INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-11TN | Aug 5, 2026 | Aug 17, 2026 | 2 | Expired | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-28.
- Full methodology →
Cite this page
Citation
NSN Explorer. "GAGE,COMPOUND PRESSURE-VACUUM,DI." nsnexplorer.com, https://nsnexplorer.com/nsn/6685-01-156-4640/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/6685-01-156-4640/