# NSN 5310-01-279-2303: Nut, Self-Locking, Spline

NSN 5310-01-279-2303 (also written 5310012792303; NIIN 01-279-2303) is a nut, self-locking, spline 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: 5310-01-279-2303 (5310012792303)
- NIIN: 01-279-2303 (012792303)
- Item name: NUT,SELF-LOCKING,SPLINE
- 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 |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| AAVL | PILOT DIAMETER | INCHES MINIMUM 0.264 AND INCHES MAXIMUM 0.270 |
| AAVM | PILOT LENGTH | INCHES NOMINAL 0.316 |
| AAWY | COUNTERBORE DIAMETER | NUT INCHES MINIMUM 0.243 AND INCHES MAXIMUM 0.250 |
| ACTA | NUT STYLE | — |
| ACVN | NUT LENGTH | INCHES MINIMUM 0.547 AND INCHES MAXIMUM 0.582 |
| ADEA | NUT HEIGHT | INCHES MINIMUM 0.342 AND INCHES MAXIMUM 0.372 |
| ADFK | NUT COUNTERBORE DEPTH | NUT INCHES NOMINAL 0.316 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CBBL | FEATURES PROVIDED | FLOATING NUT |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.190 |
| MATT | MATERIAL | BRACKET STEEL COMP 1050 |
| MATT | MATERIAL | NUT STEEL COMP 1050 OR STEEL COMP 1075 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NUT ASSN STD 1ST MATERIAL RESPONSE A-S5085 OR ASSN STD 2ND MATERIAL RESPONSE AST- A682 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY2,CL2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| C7592A3H3 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FGD6010-10-H-3 | 0HDW7 | HUCK INTERNATIONAL, INC. DIV HUCK PRODUCTS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FGD6010-10-H-3 | 97928 | HUCK INTL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FGD6010L-10-H-3 | 0HDW7 | HUCK INTERNATIONAL, INC. DIV HUCK PRODUCTS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FT5195-10-8-3P | 58794 | FASTENER TECHNOLOGY CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SL3469-3H3 | 97393 | SPS TECHNOLOGIES LLC DBA SHUR-LOK COMPANY DIV AEROSPACE ENGINEERED PRODUCTS DIVISION | [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=5310012792303&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012792303
- 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/5310-01-279-2303/
JSON: https://nsnexplorer.com/api/nsn/5310-01-279-2303.json