# NSN 4820-01-053-7686: Seat, Valve

NSN 4820-01-053-7686 (also written 4820010537686; NIIN 01-053-7686) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4820-01-053-7686 (4820010537686)
- NIIN: 01-053-7686 (010537686)
- Item name: SEAT,VALVE
- Federal Supply Class: [FSC 4820 Valves, Nonpowered](https://nsnexplorer.com/fsc/4820/)
- Federal Supply Group: [FSG 48](https://nsnexplorer.com/group/48/)
- Acquisition method suffix code: AMSC L: annual buy value is below the screening threshold. (observed 2026-11-02)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABKK | FLANGE DIAMETER | INCHES MINIMUM 0.886 AND INCHES MAXIMUM 0.896 |
| ADAR | BODY OUTSIDE DIAMETER | INCHES MINIMUM 0.588 AND INCHES MAXIMUM 0.592 |
| ADAS | BODY INSIDE DIAMETER | INCHES MINIMUM 0.464 AND INCHES MAXIMUM 0.474 |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | INCHES MINIMUM 0.061 AND INCHES MAXIMUM 0.063 |
| AJRM | UNDER FLANGE HEIGHT | INCHES MINIMUM 0.265 AND INCHES MAXIMUM 0.267 |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| STYL | STYLE DESIGNATOR | — |
| ZZZV | FSC APPLICATION DATA | GEARBOX ACCESSORY DRIVE,TURBINE ENGINE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5002733 | 99167 | HAMILTON SUNDSTRAND CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-20 | [SPE4AX20D9410/SPE4A526F8830](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820010537686) | SEAT, VALVE | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | $5,088.60 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820010537686&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820010537686
- 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/4820-01-053-7686/
JSON: https://nsnexplorer.com/api/nsn/4820-01-053-7686.json