# NSN 6685-01-556-2139: Gage, Differential, Dial Indicatin

NSN 6685-01-556-2139 (also written 6685015562139; NIIN 01-556-2139) is a gage, differential, dial indicatin in Federal Supply Class 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 6685-01-556-2139 (6685015562139)
- NIIN: 01-556-2139 (015562139)
- 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 Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | MISC PARTS CLIMATE CONTROL |
| ANBJ | GRADUATION UNIT | INCHES 0.2 |
| APCS | ADJUSTABILITY | ADJUSTABLE |
| APSK | SCALE RANGE | INCHES OF WATER 0.0 TO 1.0 |
| AQFZ | SCALE NAME | DIFFERENTIAL PRESSURE |
| ARCH | DIAL SIZE | 4.0 INCH DIAMETER |
| ASSS | POINTER COLOR | BLACK |
| ASST | POINTER TYPE | INDICATING |
| ATEQ | SCALE TYPE | DIAL |
| BGKS | SCALE ACCURACY | 2% ACCURACY FULL RANGE |
| BGKZ | SCALE INSCRIPTION/BACKGROUND COLOR | BLACK FIGURES ON WHITE BACKGROUND |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | (INAVY) MAGNEHELIC DIFFERENTIAL PRESSURE GAGE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2001D | 58274 | MEGGITT DEFENSE SYSTEMS CASWELL INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2001D | 85274 | DWYER INSTRUMENTS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2001D | K5F23 | DWYER INSTRUMENTS LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AHMA250PADWYER | U1MT1 | DAIKIN APPLIED (UK) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| N18010175 | U1886 | J & E HALL LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-23 | $80.00 | 54 | 2B510 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015562139) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE4A626P0ZZ5](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015562139) | GAGE, DIFFERENTIAL, DIAL INDICATING | — | $4,320.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6685015562139&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015562139
- 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/6685-01-556-2139/
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