# NSN 6685-01-540-4538: Gage, Pressure, Dial Indicating

NSN 6685-01-540-4538 (also written 6685015404538; NIIN 01-540-4538) is a gage, pressure, dial indicating in Federal Supply Class 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. 5 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 6685-01-540-4538 (6685015404538)
- NIIN: 01-540-4538 (015404538)
- Item name: GAGE,PRESSURE,DIAL INDICATING
- Federal Supply Class: [FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments](https://nsnexplorer.com/fsc/6685/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | NSN: 1520-01-125-5476 ITEM NAME: HELICOPTER, OBSERVATION |
| ADAV | OVERALL DIAMETER | INCHES NOMINAL 3.350 |
| APCM | ACTUATION TYPE | PRESSURE SENSING ELEMENT |
| APSK | SCALE RANGE | POUNDS PER SQUARE INCH 15.0 TO 5000.0 |
| AQFZ | SCALE NAME | PRESSURE |
| ARCH | DIAL SIZE | 2.69 INCHES ROUND |
| ASSS | POINTER COLOR | BLACK |
| ATEQ | SCALE TYPE | DIAL |
| BGKS | SCALE ACCURACY | +/-2.5% |
| BGKZ | SCALE INSCRIPTION/BACKGROUND COLOR | WHITE ABS WITH STOP PIN AND WITH BLACK LETTERING |
| MATT | MATERIAL | CASE STEEL COMP 304 |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| MATT | MATERIAL | ACTUATING ELEMENT COPPER ALLOY |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOURDON TUBE PRESSURE GAUGE MODEL 21X53 STAINLESS STEEL CONSTRUCTION |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 3.350 |
| ABFY | OVERALL DEPTH | INCHES NOMINAL 2.130 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 7246253-13 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7246253-13CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9767169 | 0UNP1 | AC CONTROLS CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9767169 | 61049 | WIKA HOLDING LP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9767169CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-16 | $21.40 | 48 | 08293 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015404538) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-16 | [SPE4A626P0X22](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015404538) | GAGE, PRESSURE, DIAL INDICATING | — | $1,027.20 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6685015404538&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015404538
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/6685-01-540-4538/
JSON: https://nsnexplorer.com/api/nsn/6685-01-540-4538.json
