# NSN 6685-01-197-7703: Gage, Differential, Dial Indicatin

NSN 6685-01-197-7703 (also written 6685011977703; NIIN 01-197-7703) is a gage, differential, dial indicatin in Federal Supply Class 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 6685-01-197-7703 (6685011977703)
- NIIN: 01-197-7703 (011977703)
- Item name: GAGE,DIFFERENTIAL,DIAL INDICATIN
- 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 |
| --- | --- | --- |
| APCM | ACTUATION TYPE | BELLOWS |
| APCS | ADJUSTABILITY | ADJUSTABLE |
| APSK | SCALE RANGE | POUNDS PRESSURE PER SQUARE INCH 0.0 TO 300.0 |
| AQFZ | SCALE NAME | DIFFERENTIAL PRESSURE |
| ARCH | DIAL SIZE | 4-1/2 IN. DIA |
| ASMM | CONNECTION QUANTITY | 4 |
| ASSS | POINTER COLOR | BLACK AND RED |
| ASST | POINTER TYPE | INDICATING AND REFERENCE |
| AWLS | CONNECTION TYPE | INTERNAL |
| BGKZ | SCALE INSCRIPTION/BACKGROUND COLOR | BLACK MARKINGS ON WHITE BACKGROUND |
| BGRY | CONNECTION LOCATION | BOTTOM AND TOP |
| BHMG | CONNECTION SIZE | 0.438 IN. TUBE |
| MATT | MATERIAL | PROTECTIVE CRYSTAL GLASS |
| MATT | MATERIAL | CASE ALUMINUM |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 20RCXXX0300E1BBAXX01 | 05991 | CAMERON ENERGY SERVICES CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 20RCXXX0300E1BBAXX02 | 05991 | CAMERON ENERGY SERVICES CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6685011977703&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685011977703
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/6685-01-197-7703/
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