# NSN 5310-00-298-7523: Washer, Recessed

NSN 5310-00-298-7523 (also written 5310002987523; NIIN 00-298-7523) is a washer, recessed in Federal Supply Class 5310, Nuts and Washers. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-00-298-7523 (5310002987523)
- NIIN: 00-298-7523 (002987523)
- Item name: WASHER,RECESSED
- 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 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| FEAT | SPECIAL FEATURES | OUTER EDGE CHAMFERED. ACTION ID 45513923 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 3.200 |
| MATT | MATERIAL | OVERALL STEEL COMP 8630 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.435 AND INCHES MAXIMUM 0.440 |
| CSTM | RECESS ANGLE | DEGREES NOMINAL 80.0 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-6050,COND C1 |
| STYL | STYLE DESIGNATOR | — |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 2.437 AND INCHES MAXIMUM 2.438 |
| ABMD | RECESS DIAMETER | INCHES NOMINAL 3.040 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 338948 | 17772 | AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC DBA AEROENGINEERING & MANUFACTURING CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 338948 | 30205 | MERCER PRODUCTS & MANUFACTURING COMPANY DBA MERCER PRODUCTS & MANUFACTURING CO DIV MERCER PRODUCTS & MANUFACTURING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 338948 | 70265 | ALL POWER MANUFACTURING CO. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 338948 | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5310PL1014280 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-26 | [SPE4A626P0AN5](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002987523) | WASHER, RECESSED | VERTEX LLC | $10,188.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310002987523&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002987523
- 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/5310-00-298-7523/
JSON: https://nsnexplorer.com/api/nsn/5310-00-298-7523.json