# NSN 5310-01-049-7357: Nut, Self-Locking, Castellated, Hex

NSN 5310-01-049-7357 (also written 5310010497357; NIIN 01-049-7357) is a nut, self-locking, castellated, hex in Federal Supply Class 5310, Nuts and Washers. 7 manufacturer part numbers from 6 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-01-049-7357 (5310010497357)
- NIIN: 01-049-7357 (010497357)
- Item name: NUT,SELF-LOCKING,CASTELLATED,HEX
- 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 2026-11-03)
- 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 | SOLUBLE LUBRICANT |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | INCHES MINIMUM 0.345 AND INCHES MAXIMUM 0.365 |
| AGAV | END ITEM IDENTIFICATION | W/S:AIRCRAFT, STRATOLIFTER C-135; AIRCRAFT, HERCULES C-130; SUPPORT EQUIPMENT, A-10 AIRCRAFT; HELICOPTER, BLACK HAWK UH-60A; HELICOPTER, ELECTRONIC COUNTERMEASURES, EH-60A; HH-60L MEDIVAC; AIRCRAFT, THUNDERBOLT II, A-10; AIRCRAFT, F-16 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 0.367 AND INCHES MAXIMUM 0.387 |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 1200.0 |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.190 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| MATT | MATERIAL | OVERALL STEEL UNS S34720 OR STEEL UNS S34723 OR STEEL COMP 347 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5642 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5646 |
| SFTT | SURFACE TREATMENT | OVERALL SILVER |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2410 OR ASSN STD SINGLE TREATMENT RESPONSE A-S 2411 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 57979-3 | 00624 | EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 57979-3 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 72412-1032 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 72412-1032 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 80HS040-1032 | 27687 | GREER STOP NUT, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 878011-00 | 32345 | DEFENSE REDUCTION AGENCY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| Z1200J02 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-7955 | 199 | 2026-11-10 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310010497357&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310010497357&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310010497357
- 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/5310-01-049-7357/
JSON: https://nsnexplorer.com/api/nsn/5310-01-049-7357.json