# NSN 5310-01-265-8979: Washer, Recessed

NSN 5310-01-265-8979 (also written 5310012658979; NIIN 01-265-8979) is a washer, recessed 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: 5310-01-265-8979 (5310012658979)
- NIIN: 01-265-8979 (012658979)
- 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 P: the government does not own the rights to the data needed for more sources. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 2.002 AND INCHES MAXIMUM 2.012 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 2.500 |
| ABMD | RECESS DIAMETER | INCHES NOMINAL 2.360 |
| ABMH | RECESS DEPTH | INCHES NOMINAL 0.120 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.150 |
| MATT | MATERIAL | OVERALL STEEL COMP 1020 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE SAE |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 345731-3 | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-02 | $87.12 | 70 | MHD-ROCKLAND INC. DBA MHD-ROCKLAND INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012658979) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE4A626P0H51](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012658979) | WASHER, RECESSED | MHD-ROCKLAND INC. DBA MHD-ROCKLAND INC | $6,098.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310012658979&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012658979
- 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/5310-01-265-8979/
JSON: https://nsnexplorer.com/api/nsn/5310-01-265-8979.json