# NSN 5310-00-550-4357: Washer, Shouldered

NSN 5310-00-550-4357 (also written 5310005504357; NIIN 00-550-4357) is a washer, shouldered in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5310-00-550-4357 (5310005504357)
- NIIN: 00-550-4357 (005504357)
- Item name: WASHER,SHOULDERED
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABMG | SHOULDER HEIGHT | INCHES MINIMUM 0.009 AND INCHES MAXIMUM 0.017 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.036 AND INCHES MAXIMUM 0.040 |
| STYL | STYLE DESIGNATOR | — |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-S-763 OR MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-5059 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.256 AND INCHES MAXIMUM 0.258 |
| AAVH | SHOULDER DIAMETER | INCHES MINIMUM 0.365 AND INCHES MAXIMUM 0.385 |
| MATT | MATERIAL | OVERALL STEEL COMP 302 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 0.665 AND INCHES MAXIMUM 0.670 |
| CSYM | SURFACE FINISH | ALL SURFACES MICROINCHES 63.0 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| FEAT | SPECIAL FEATURES | EDGES ON OUTER DIA ROUNDED PER RADIUS MUST BE TANGENT AND SMOOTH TO EACH SIDE OF 0.036 TO 0.040 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 6812646 | 24617 | GENERAL MOTORS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6812646 | 63005 | ROLLS-ROYCE CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6812646 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC | [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 | $78.8462 | 52 | 7G7M2 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005504357) |
| 2026-09-24 | $43.3799 | 179 | 7G7M2 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005504357) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-07 | [SPE4A627P1400](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005504357) | WASHER, SHOULDERED | — | $4,100.00 |
| 2026-09-24 | [SPE4A626P000P](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005504357) | WASHER, SHOULDERED | — | $7,765.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310005504357&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005504357
- 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/5310-00-550-4357/
JSON: https://nsnexplorer.com/api/nsn/5310-00-550-4357.json