# NSN 5310-01-263-4347: Washer, Spring Tension

NSN 5310-01-263-4347 (also written 5310012634347; NIIN 01-263-4347) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5310-01-263-4347 (5310012634347)
- NIIN: 01-263-4347 (012634347)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES NOMINAL 0.126 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 0.276 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.025 AND INCHES MAXIMUM 0.030 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.020 |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 43.0 AND ROCKWELL C MAXIMUM 50.0 |
| MATT | MATERIAL | OVERALL STEEL COMP 631 |
| SFTT | SURFACE TREATMENT | OVERALL ZINC |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| SP-73205 | 02368 | ROLEX COMPANY DBA ROLEX COMPANY DIV ROLEX COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SP-73205 | 4XNY8 | MATTHEW WARREN, INC. DBA MARYLAND PRECISION SPRING DIV MARYLAND PRECISION SPRING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WA25-01 | 00141 | ROLLER BEARING CO OF AMERICA, INC DIV PIC DESIGN | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WA25-01 | 08748 | ELDEC AEROSPACE CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WA25-01 | 77535 | ASSOCIATED SPRING US, LLC DIV CORRY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-07 | $165.00 | 2 | DIALOGIC CORP DBA DIALOGIC FASTENERS | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012634347) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-07 | [SPE4A627V0348](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012634347) | WASHER, SPRING TENSION | DIALOGIC CORP DBA DIALOGIC FASTENERS | $330.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310012634347&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012634347
- 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/5310-01-263-4347/
JSON: https://nsnexplorer.com/api/nsn/5310-01-263-4347.json