# NSN 6685-01-547-0553: Indicator, Pressure

NSN 6685-01-547-0553 (also written 6685015470553; NIIN 01-547-0553) is an indicator, pressure in Federal Supply Class 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 6685-01-547-0553 (6685015470553)
- NIIN: 01-547-0553 (015470553)
- Item name: INDICATOR,PRESSURE
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AMNL | PRESENTATION TYPE | WINDOW |
| APSK | SCALE RANGE | SINGLE INDICATOR SINGLE SCALE POUNDS PER SQUARE INCH 0.0 TO 30.0 |
| ASSR | POINTER PURPOSE | INDICATE MAXIMUM DIFFERENTIAL PRESSURE |
| FEAT | SPECIAL FEATURES | MANUFACTURERS NAME IS DIRECT READING DIFFERENTIAL PRESSURE GAUGE, PEAK HOLD FEATURE LOCKS THE PISTON TO INDICATE THE MAXIMUM PRESSURE, KNOB RELEASES PISTON TO RETURN TO ZERO, HAS PUSH BUTTON TEST VALVE FOR CALIBRATION TESTING, THIS INDICATOR CONTAINS LOW PRESSURE SEALS. |
| MATT | MATERIAL | CASE ALUMINUM |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| GTP-534-PB-PH-30-A-O | 32218 | GAMMON TECHNICAL PRODUCTS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| GTP-534-PB-PH-30A | 32218 | GAMMON TECHNICAL PRODUCTS INC | [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 | $867.54 | 19 | GAMMON TECHNICAL PRODUCTS INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015470553) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-16 | [SPE4A526P8063](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015470553) | INDICATOR, PRESSURE | GAMMON TECHNICAL PRODUCTS INC | $16,483.26 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6685015470553&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015470553
- 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/6685-01-547-0553/
JSON: https://nsnexplorer.com/api/nsn/6685-01-547-0553.json