# NSN 5310-01-119-3028: Washer, Convex

NSN 5310-01-119-3028 (also written 5310011193028; NIIN 01-119-3028) is a washer, convex in Federal Supply Class 5310, Nuts and Washers. 4 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-01-119-3028 (5310011193028)
- NIIN: 01-119-3028 (011193028)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.019 AND INCHES MAXIMUM 0.021 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 0.035 AND INCHES MAXIMUM 0.037 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.014 AND INCHES MAXIMUM 0.018 |
| CSYM | SURFACE FINISH | TOP MICROINCHES 8.0 |
| MATT | MATERIAL | OVERALL COPPER ALLOY |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10109325 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PG6003 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PG6003 | K5294 | GE AVIATION SYSTEMS LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PG6003 | U0J60 | ONTIC ENGINEERING & MANUFACTURING UK LIMITED DIV ONTIC ENGINEERING AND MANUFACTURING UK LIMITED | [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=5310011193028&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011193028
- 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/5310-01-119-3028/
JSON: https://nsnexplorer.com/api/nsn/5310-01-119-3028.json
