# NSN 5310-00-950-2983: Washer, Flat

NSN 5310-00-950-2983 (also written 5310009502983; NIIN 00-950-2983) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-00-950-2983 (5310009502983)
- NIIN: 00-950-2983 (009502983)
- Item name: WASHER,FLAT
- 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 |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.302 AND INCHES MAXIMUM 0.322 |
| ABMW | PERIPHERAL SHAPE STYLE | — |
| ABMX | CENTER HOLE SHAPE STYLE | — |
| ABNM | THICKNESS | INCHES MINIMUM 0.058 AND INCHES MAXIMUM 0.068 |
| ADAV | OVERALL DIAMETER | INCHES NOMINAL 0.500 |
| MATT | MATERIAL | OVERALL STEEL COMP 4130 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-18729,COND N OR MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-6758,COND D1 OR D4 |
| SFTT | SURFACE TREATMENT | OVERALL NICKEL AND ZINC |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| LD153-0016-2004 | 43999 | THE BOEING COMPANY DIV LEGACY AM&M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LD153-0016-2004 | 89372 | ROCKWELL INTERNATIONAL CORP NORTH AMERICAN AIRCRAFT OPNS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-29 | [SPE4A626PK320](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310009502983) | WASHER, FLAT | — | $999.05 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310009502983&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310009502983
- 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/5310-00-950-2983/
JSON: https://nsnexplorer.com/api/nsn/5310-00-950-2983.json