# NSN 5310-01-294-9438: Nut, Self-Locking, Spline

NSN 5310-01-294-9438 (also written 5310012949438; NIIN 01-294-9438) is a nut, self-locking, spline in Federal Supply Class 5310, Nuts and Washers. 6 manufacturer part numbers from 6 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-01-294-9438 (5310012949438)
- NIIN: 01-294-9438 (012949438)
- 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 0.409 |
| AAWY | COUNTERBORE DIAMETER | BOSS INCHES MINIMUM 0.224 AND INCHES MAXIMUM 0.250 |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ACTA | NUT STYLE | — |
| ACVN | NUT LENGTH | INCHES MINIMUM 0.547 AND INCHES MAXIMUM 0.582 |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.704 |
| ADFK | NUT COUNTERBORE DEPTH | BOSS INCHES NOMINAL 0.409 |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 0.390 |
| 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 |
| FEAT | SPECIAL FEATURES | BRACKET ONLY HARDNESS ROCKWELL C SCALE 40.0 MIN,50.0 MAX; NUT FLOAT 0.025 IN. MIN MEASURED RADIALLY; PASSIVATED SLEEVE OR BOSS PORTION ONLY,PER FED SPEC QQ-P-35 |
| MATT | MATERIAL | BOSS STEEL COMP 304 OR STEEL COMP 305 |
| MATT | MATERIAL | NUT STEEL COMP 1075 OR STEEL COMP 1050 |
| MATT | MATERIAL | BRACKET STEEL COMP 1050 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BOSS MIL SPEC 1ST MATERIAL RESPONSE -IL-S-23195 OR ASSN STD 1ST MATERIAL RESPONSE A-S 5639 OR ASSN STD 2ND MATERIAL RESPONSE A-S 5514 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BRACKET ASSN STD SINGLE MATERIAL RESPONSE A-S 5085 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NUT ASSN STD 2ND MATERIAL RESPONSE A-S 5085 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NUT FED SPEC ALL TREATMENT RESPONSES QQ--416,TYE 2,CLASS 2 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BOSS FED SPEC 1ST TREATMENT RESPONSE QQ--35 AND FED SPEC 2ND TREATMENT RESPONSE QQ--416,TYE 2,CLASS 2 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BRACKET FED SPEC ALL TREATMENT RESPONSES QQ--416,TYE 2,CLASS 2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5310PL0782284 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C7592A3L2 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FGD6010L10-L-2 | 0HDW7 | HUCK INTERNATIONAL, INC. DIV HUCK PRODUCTS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FGD6010L10-L-2 | 97928 | HUCK INTL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FT5195-10-1-24 | 58794 | FASTENER TECHNOLOGY CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SL3469-3L2 | 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/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-3907 | 507 | 2026-10-21 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310012949438&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310012949438&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012949438
- 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/5310-01-294-9438/
JSON: https://nsnexplorer.com/api/nsn/5310-01-294-9438.json