# NSN 5310-00-185-0811: Nut, Self-Locking, Cap

NSN 5310-00-185-0811 (also written 5310001850811; NIIN 00-185-0811) is a nut, self-locking, cap in Federal Supply Class 5310, Nuts and Washers. 6 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-185-0811 (5310001850811)
- NIIN: 00-185-0811 (001850811)
- Item name: NUT,SELF-LOCKING,CAP
- 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: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | CAP STEEL |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 0.365 AND INCHES MAXIMUM 0.377 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.190 |
| SFTT | SURFACE TREATMENT | OVERALL EXCEPT INSERT CADMIUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL EXCEPT INSERT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 3 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.596 |
| MATT | MATERIAL | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ACTA | NUT STYLE | — |
| MATT | MATERIAL | NUT STEEL |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 250.0 |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 32 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 22K3-02 | 019L2 | ESNA, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 22K3-02 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8528569 | 18876 | US ARMY AVIATION AND MISSILE COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S862-NHD-1032 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SM-A-838353 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SM-A-838353-1 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | [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=5310001850811&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001850811
- 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/5310-00-185-0811/
JSON: https://nsnexplorer.com/api/nsn/5310-00-185-0811.json