# NSN 5310-01-162-8565: Nut, Self-Locking, Extended Washer

NSN 5310-01-162-8565 (also written 5310011628565; NIIN 01-162-8565) 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 Aug 2026.

## Identification

- NSN: 5310-01-162-8565 (5310011628565)
- NIIN: 01-162-8565 (011628565)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH METALLIC INSERT |
| AAVX | WASHER OUTSIDE DIAMETER | INCHES NOMINAL 1.325 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.375 |
| ACTA | NUT STYLE | — |
| ADEM | WASHER THICKNESS | INCHES NOMINAL 0.100 |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 0.688 |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.438 |
| MATT | MATERIAL | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| MATT | MATERIAL | NUT ALUMINUM ALLOY 2024 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NUT FED SPEC 1ST MATERIAL RESPONSE QQ-A-225 TO 6,T851 |
| SFTT | SURFACE TREATMENT | NUT ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NUT MFR REF SINGLE TREATMENT RESPONSE S11136,TY 2,CL 2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10109884 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 74A586450-1009 | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 74A586450-1009 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-27 | [SPE4A126V1731](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011628565) | NUT, SELF-LOCKING, EXTENDED WASHER, HEXAGON | INDIAN AEROSPACE, INC. | $3,007.01 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310011628565&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011628565
- 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/5310-01-162-8565/
JSON: https://nsnexplorer.com/api/nsn/5310-01-162-8565.json