# NSN 5310-00-596-0577: Washer, Spring Tension

NSN 5310-00-596-0577 (also written 5310005960577; NIIN 00-596-0577) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-596-0577 (5310005960577)
- NIIN: 00-596-0577 (005960577)
- 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 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | OVERALL STEEL COMP 1074 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S5120 |
| STYL | STYLE DESIGNATOR | — |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 45.0 AND ROCKWELL C MAXIMUM 53.0 |
| CSYM | SURFACE FINISH | ALL SURFACES MICROINCHES 63.0 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.066 AND INCHES MAXIMUM 0.067 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 4.728 AND INCHES MAXIMUM 4.732 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.100 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 1.998 AND INCHES MAXIMUM 2.002 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 6723144 | 24617 | GENERAL MOTORS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6723144 | 63005 | ROLLS-ROYCE CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6723144 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310005960577&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005960577
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/5310-00-596-0577/
JSON: https://nsnexplorer.com/api/nsn/5310-00-596-0577.json