# NSN 5310-00-273-7822: Washer, Concave

NSN 5310-00-273-7822 (also written 5310002737822; NIIN 00-273-7822) is a washer, concave 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: 5310-00-273-7822 (5310002737822)
- NIIN: 00-273-7822 (002737822)
- Item name: WASHER,CONCAVE
- 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 |
| --- | --- | --- |
| STYL | STYLE DESIGNATOR | — |
| MATT | MATERIAL | OVERALL STEEL COMP XM-13 |
| ABGG | RADIUS | INCHES MINIMUM 0.585 AND INCHES MAXIMUM 0.595 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5629 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 0.935 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.3755 AND INCHES MAXIMUM 0.3760 |
| ABMD | RECESS DIAMETER | INCHES MINIMUM 0.719 AND INCHES MAXIMUM 0.721 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.220 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 68A327184-2001 | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-18 | [SPEWA626P0264](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002737822) | WASHER, CONCAVE | BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC | $476.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310002737822&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002737822
- 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/5310-00-273-7822/
JSON: https://nsnexplorer.com/api/nsn/5310-00-273-7822.json