# NSN 5310-01-287-7544: Nut Assembly, Self-Locking, Gang C

NSN 5310-01-287-7544 (also written 5310012877544; NIIN 01-287-7544) is a nut assembly, self-locking, gang c in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5310-01-287-7544 (5310012877544)
- NIIN: 01-287-7544 (012877544)
- Item name: NUT ASSEMBLY,SELF-LOCKING,GANG C
- 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 2026-10-14)
- 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 |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 72.000 |
| ABMK | OVERALL WIDTH | INCHES MAXIMUM 0.416 |
| ACTA | NUT STYLE | — |
| ADFE | CHANNEL STYLE | — |
| ADFF | ASSEMBLY OVERALL HEIGHT | INCHES MAXIMUM 0.250 |
| ADFG | CHANNEL HEIGHT | INCHES MINIMUM 0.062 |
| ADFH | NUT SPACING | INCHES NOMINAL 1.250 |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 250.0 |
| AZXC | NUT QUANTITY | 5 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CBBL | FEATURES PROVIDED | FLOATING NUT |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQFM | HARDNESS RATING | ROCKWELL C MAXIMUM 49.0 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.190 |
| MATT | MATERIAL | CHANNEL ALUMINUM ALLOY 1100 AND ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 7075 |
| MATT | MATERIAL | NUT STEEL COMP 1035 AND STEEL COMP 1040 AND STEEL COMP 1050 AND STEEL COMP 1042 AND STEEL COMP 4130 AND STEEL COMP 4340 AND STEEL COMP 8740 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | CHANNEL FED SPEC 1ST MATERIAL RESPONSE QQ-A-250 TO 1 OR FED SPEC 2ND MATERIAL RESPONSE QQ-A-250 TO 4 OR FED SPEC 3RD MATERIAL RESPONSE QQ-A-250 TO 12 T6 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NUT ASSN STD ALL MATERIAL RESPONSES AST- A29 |
| SFTT | SURFACE TREATMENT | CHANNEL ANODIZE OR CHROMATE |
| SFTT | SURFACE TREATMENT | NUT CADMIUM AND CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CHANNEL MIL SPEC 1ST TREATMENT RESPONSE -IL-A-8625 AND MIL SPEC 2ND TREATMENT RESPONSE -IL-C-5541 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NUT FED SPEC ALL TREATMENT RESPONSES QQ--416 |
| ZZZK | SPECIFICATION/STANDARD DATA | GOVERNMENT STANDARD 96906--S21063 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MS21063L3-10-5 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS21063L3-10-5 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-13 | [SPE4AX25D5000/SPE4A227F0073](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012877544) | NUT ASSEMBLY, SELF-LOCKING, GANG CHANNEL | LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS | $6,992.78 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310012877544&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012877544
- 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/5310-01-287-7544/
JSON: https://nsnexplorer.com/api/nsn/5310-01-287-7544.json