# NSN 5310-00-404-5071: Washer, Flat

NSN 5310-00-404-5071 (also written 5310004045071; NIIN 00-404-5071) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-404-5071 (5310004045071)
- NIIN: 00-404-5071 (004045071)
- 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 |
| --- | --- | --- |
| MATT | MATERIAL | OVERALL STEEL |
| ADAV | OVERALL DIAMETER | INCHES MINIMUM 1.200 AND INCHES MAXIMUM 1.220 |
| ABMX | CENTER HOLE SHAPE STYLE | — |
| HEAT | HEAT TREATMENT | AS FABRICATED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-7952 |
| ABNM | THICKNESS | INCHES MINIMUM 0.115 AND INCHES MAXIMUM 0.135 |
| ABMW | PERIPHERAL SHAPE STYLE | — |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.630 AND INCHES MAXIMUM 0.640 |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4G13370-101A | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [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=5310004045071&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310004045071
- 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/5310-00-404-5071/
JSON: https://nsnexplorer.com/api/nsn/5310-00-404-5071.json