# NSN 5310-01-101-9861: Washer, Convex

NSN 5310-01-101-9861 (also written 5310011019861; NIIN 01-101-9861) 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 Oct 2026.

## Identification

- NSN: 5310-01-101-9861 (5310011019861)
- NIIN: 01-101-9861 (011019861)
- 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 |
| --- | --- | --- |
| MATT | MATERIAL | OVERALL ALUMINUM ALLOY |
| SFTT | SURFACE TREATMENT | OVERALL ANODIZE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| SS4411-08-020 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-05 | [SPE4A127V0039](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011019861) | WASHER, CONVEX | RHIMCO INDUSTRIES, INC. DBA RHIMCO INDUSTRIES INC | $170.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310011019861&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011019861
- 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/5310-01-101-9861/
JSON: https://nsnexplorer.com/api/nsn/5310-01-101-9861.json