# NSN 5310-01-694-9681: Washer, Lock

NSN 5310-01-694-9681 (also written 5310016949681; NIIN 01-694-9681) is a washer, lock 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: 5310-01-694-9681 (5310016949681)
- NIIN: 01-694-9681 (016949681)
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.091 AND INCHES MAXIMUM 0.097 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 0.321 AND INCHES MAXIMUM 0.331 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.024 AND INCHES MAXIMUM 0.034 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.009 AND INCHES MAXIMUM 0.011 |
| AGAV | END ITEM IDENTIFICATION | 5855-01-656-6330 |
| CQFM | HARDNESS RATING | ROCKWELL A MINIMUM 82.5 AND ROCKWELL A MAXIMUM 86.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | EXTERNAL,SELF-LOCKING PUSH ON (CURVED RIM) SHAFT RING |
| MATT | MATERIAL | OVERALL STEEL CORROSION RESISTING |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| TX-9SS | 07382 | ROTOR CLIP COMPANY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-17 | [SPE4A626V379F](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016949681) | WASHER, LOCK | LARKOS PACKING AND DISTRIBUTION INC. | $44.44 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310016949681&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016949681
- 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/5310-01-694-9681/
JSON: https://nsnexplorer.com/api/nsn/5310-01-694-9681.json