# NSN 5310-00-126-5240: Nut, Self-Locking, Hexagon

NSN 5310-00-126-5240 (also written 5310001265240; NIIN 00-126-5240) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 9 manufacturer part numbers from 7 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-00-126-5240 (5310001265240)
- NIIN: 00-126-5240 (001265240)
- Item name: NUT,SELF-LOCKING,HEXAGON
- 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 2026-11-01)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADEA | NUT HEIGHT | INCHES MINIMUM 1.300 AND INCHES MAXIMUM 1.454 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 1.801 AND INCHES MAXIMUM 1.822 |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ACTA | NUT STYLE | — |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 250.0 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| CMLP | THREAD QUANTITY PER INCH | 7 |
| CQJX | NOMINAL THREAD SIZE | INCHES 1.250 |
| CRSQ | COUNTERSINK ANGLE | NUT DEGREES NOMINAL 88.0 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| CSXL | BEARING SURFACE FINISH | MICROINCHES 125.0 |
| MATT | MATERIAL | LOCKING INSERT PLASTIC POLYHEXAMETHYLENE AMIDE |
| MATT | MATERIAL | NUT NICKEL ALLOY R-405 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | LOCKING INSERT ASSN STD SINGLE MATERIAL RESPONSE AST- D4066,CO- A,TYE 1 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 09NE207M0NEL | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 09NE207MONEL | 019L2 | ESNA, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 518-4674748 ITE | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 518-4674800 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 518-4674800 ITE | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 60-08-0439 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B11-47876 | 88907 | BRUNSWICK CORP DBA MERCURY MARINE DIV MERCURY MARINE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS17828-20C | 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/) |
| MS17828-20C | 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 |
| --- | --- | --- | --- | --- |
| 2026-08-25 | [SPE4A626V327P](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001265240) | NUT, SELF-LOCKING, HEXAGON | CAVANAUGH GOVERNMENT GROUP, LLC | $7,443.75 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310001265240&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001265240
- 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/5310-00-126-5240/
JSON: https://nsnexplorer.com/api/nsn/5310-00-126-5240.json