# NSN 4810-01-109-2548: Retainer, Valve Spring

NSN 4810-01-109-2548 (also written 4810011092548; NIIN 01-109-2548) is a retainer, valve spring in Federal Supply Class 4810, Valves, Powered. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4810-01-109-2548 (4810011092548)
- NIIN: 01-109-2548 (011092548)
- Item name: RETAINER,VALVE SPRING
- Federal Supply Class: [FSC 4810 Valves, Powered](https://nsnexplorer.com/fsc/4810/)
- Federal Supply Group: [FSG 48](https://nsnexplorer.com/group/48/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | CRES,0.346 IN. HEAD DIA,FLATTED TWO SIDES,0.300 IN. WIDTH OF FLATS,0.050 IN. HEAD H,OTHER END THD 0.120-40 UNC,0.321 IN. O/A LG |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 25767 | 16780 | EATON AEROSPACE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-03 | [SPE7M126P6270](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4810011092548) | RETAINER, VALVE SPRI | SPAIRES INC | $9,895.92 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4810011092548&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4810011092548
- 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/4810-01-109-2548/
JSON: https://nsnexplorer.com/api/nsn/4810-01-109-2548.json