# NSN 5310-01-661-3863: Washer, Lock

NSN 5310-01-661-3863 (also written 5310016613863; NIIN 01-661-3863) is a washer, lock in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-01-661-3863 (5310016613863)
- NIIN: 01-661-3863 (016613863)
- Item name: WASHER,LOCK
- 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 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, LOCKING, SPLIT .62 SS |
| AGAV | END ITEM IDENTIFICATION | 4210-01-622-0440; TRUCK, FIRE FIGHTING |
| AAUB | HOLE DIAMETER | INCHES NOMINAL 0.64 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 1.07 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.16 |
| MATT | MATERIAL | OVERALL STEEL CORROSION RESISTING |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4260814 | 75Q65 | OSHKOSH DEFENSE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| W4110-SS | 79218 | WATEROUS COMPANY | [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=5310016613863&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016613863
- 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/5310-01-661-3863/
JSON: https://nsnexplorer.com/api/nsn/5310-01-661-3863.json