# NSN 5310-00-685-1901: Washer, Finishing

NSN 5310-00-685-1901 (also written 5310006851901; NIIN 00-685-1901) is a washer, finishing in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5310-00-685-1901 (5310006851901)
- NIIN: 00-685-1901 (006851901)
- Item name: WASHER,FINISHING
- 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 2026-10-14)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABMD | RECESS DIAMETER | INCHES NOMINAL 0.500 |
| CSTM | RECESS ANGLE | DEGREES NOMINAL 100.0 |
| STYL | STYLE DESIGNATOR | — |
| MATT | MATERIAL | OVERALL STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC ALL MATERIAL RESPONSES -IL-S-6721 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 0.778 |
| ZZZK | SPECIFICATION/STANDARD DATA | MANUFACTURERS STANDARD 81205-BACW10U |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.016 |
| AAUB | HOLE DIAMETER | INCHES NOMINAL 0.286 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.093 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| BACW10UC416 | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACW10UC416 | 82918 | THE BOEING COMPANY DIV LEGACY WICHITA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-13 | [SPE4AX25D5000/SPE4A227F0068](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006851901) | WASHER, FINISHING | LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS | $1,076.04 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310006851901&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006851901
- 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/5310-00-685-1901/
JSON: https://nsnexplorer.com/api/nsn/5310-00-685-1901.json