# NSN 5310-01-542-0107: Washer, Spring Tension

NSN 5310-01-542-0107 (also written 5310015420107; NIIN 01-542-0107) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-01-542-0107 (5310015420107)
- NIIN: 01-542-0107 (015420107)
- Item name: WASHER,SPRING TENSION
- Federal Supply Class: [FSC 5310 Nuts and Washers](https://nsnexplorer.com/fsc/5310/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- 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 | MV-22 AIRCRAFT |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, WAVE SPRING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4951140 | 55820 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE4A124G0043/SPE4A526F9475](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015420107) | WASHER, SPRING TENSI | AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS | $14,259.66 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310015420107&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015420107
- 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/5310-01-542-0107/
JSON: https://nsnexplorer.com/api/nsn/5310-01-542-0107.json
