# NSN 5310-01-463-9500: Washer, Flat

NSN 5310-01-463-9500 (also written 5310014639500; NIIN 01-463-9500) 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 Nov 2026.

## Identification

- NSN: 5310-01-463-9500 (5310014639500)
- NIIN: 01-463-9500 (014639500)
- 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 2026-11-04)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AAUB | HOLE DIAMETER | MILLIMETERS MINIMUM 6.65 AND MILLIMETERS MAXIMUM 6.87 |
| ABMW | PERIPHERAL SHAPE STYLE | — |
| ABMX | CENTER HOLE SHAPE STYLE | — |
| ABNM | THICKNESS | MILLIMETERS MINIMUM 1.20 AND MILLIMETERS MAXIMUM 1.75 |
| ADAV | OVERALL DIAMETER | MILLIMETERS MINIMUM 18.37 AND MILLIMETERS MAXIMUM 18.80 |
| AGAV | END ITEM IDENTIFICATION | MEDIUM MINE PROTECTED VEHICLE - MMPV |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 38.0 AND ROCKWELL C MAXIMUM 45.0 |
| MATT | MATERIAL | OVERALL STEEL |
| SFTT | SURFACE TREATMENT | OVERALL ZINC AND CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE AST- B633, TY 2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12569612-23 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B1822BH060R | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-03 | [SPE4A527P0989](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310014639500) | WASHER, FLAT | KAREN CARLISLE DBA B & K AEROSPACE | $569.56 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310014639500&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310014639500
- 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/5310-01-463-9500/
JSON: https://nsnexplorer.com/api/nsn/5310-01-463-9500.json