# NSN 5310-00-231-6974: Washer, Convex

NSN 5310-00-231-6974 (also written 5310002316974; NIIN 00-231-6974) is a washer, convex 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: 5310-00-231-6974 (5310002316974)
- NIIN: 00-231-6974 (002316974)
- Item name: WASHER,CONVEX
- 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 |
| --- | --- | --- |
| SFTT | SURFACE TREATMENT | OVERALL ALUMINUM ALLOY |
| FEAT | SPECIAL FEATURES | SIDE EDGE TAPERED AT 100 DEGREE ANGLE FROM TOP TO BOTTOM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-200 TO 3,T4 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.081 |
| AAUB | HOLE DIAMETER | INCHES NOMINAL 0.191 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE TREATMENT RESPONSE -IL-C-5541,CLASS 1A |
| STYL | STYLE DESIGNATOR | — |
| MATT | MATERIAL | OVERALL ALUMINUM ALLOY 2024 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 0.384 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 64B44189-3 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-10 | $46.50 | 31 | RHIMCO INDUSTRIES, INC. DBA RHIMCO INDUSTRIES INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002316974) |
| 2026-09-09 | $15.55 | 50 | RHIMCO INDUSTRIES, INC. DBA RHIMCO INDUSTRIES INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002316974) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-10 | [SPE4A626P0R57](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002316974) | WASHER, CONVEX | RHIMCO INDUSTRIES, INC. DBA RHIMCO INDUSTRIES INC | $1,441.50 |
| 2026-09-09 | [SPE4A626P0P24](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002316974) | WASHER, CONVEX | RHIMCO INDUSTRIES, INC. DBA RHIMCO INDUSTRIES INC | $777.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310002316974&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002316974
- 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/5310-00-231-6974/
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