# NSN 5310-00-864-5138: Nut, Self-Locking, Extended Washer

NSN 5310-00-864-5138 (also written 5310008645138; NIIN 00-864-5138) is a nut, self-locking, extended washer in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-00-864-5138 (5310008645138)
- NIIN: 00-864-5138 (008645138)
- Item name: NUT,SELF-LOCKING,EXTENDED WASHER
- 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 Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADEM | WASHER THICKNESS | INCHES NOMINAL 0.125 |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 0.836 |
| MATT | MATERIAL | OVERALL STEEL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.750 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.752 |
| AAJD | THREAD CLASS | 2B |
| ACTA | NUT STYLE | — |
| AAVX | WASHER OUTSIDE DIAMETER | INCHES NOMINAL 1.281 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| GYN1812 | 0B9R9 | MEGGITT AIRCRAFT BRAKING SYSTEMS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| GYN1812 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| GYN1812 | 73842 | GOODYEAR TIRE AND RUBBER CO THE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-21 | [SPE4AX18D9452/SPE4A626F484J](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310008645138) | NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE | MEGGITT AIRCRAFT BRAKING SYSTEMS CORPORATION | $94,180.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310008645138&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310008645138
- 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/5310-00-864-5138/
JSON: https://nsnexplorer.com/api/nsn/5310-00-864-5138.json