# NSN 5310-00-008-8664: Nut, Self-Locking, Extended Washer

NSN 5310-00-008-8664 (also written 5310000088664; NIIN 00-008-8664) is a nut, self-locking, extended washer 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: 5310-00-008-8664 (5310000088664)
- NIIN: 00-008-8664 (000088664)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ABKW | OVERALL HEIGHT | INCHES MAXIMUM 0.308 |
| ACTA | NUT STYLE | — |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 0.398 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.375 |
| AAVX | WASHER OUTSIDE DIAMETER | INCHES NOMINAL 0.644 |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD ALL MATERIAL RESPONSES A-S 6300 OR FED SPEC SINGLE MATERIAL RESPONSE -S6414 OR ASSN STD SINGLE MATERIAL RESPONSE -S6415 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416, TYE II, CLASS 2 |
| MATT | MATERIAL | OVERALL STEEL COMP 4137 OR STEEL COMP 4140 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SIX-POINT NUT CAPTIVE WASHER |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| HW14-6 | K7548 | B/E AEROSPACE CONSUMABLES MANAGEMENT II LIMITED | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| N157187-8 | K4358 | SAFRAN ELECTRICAL & POWER UK LIMITED | [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=5310000088664&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310000088664
- 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/5310-00-008-8664/
JSON: https://nsnexplorer.com/api/nsn/5310-00-008-8664.json