# NSN 5310-00-557-9415: Nut, Self-Locking, Hexagon

NSN 5310-00-557-9415 (also written 5310005579415; NIIN 00-557-9415) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-00-557-9415 (5310005579415)
- NIIN: 00-557-9415 (005579415)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| BZRR | THREAD SERIES | UN |
| CQJX | NOMINAL THREAD SIZE | INCHES 1.562 |
| AAJD | THREAD CLASS | 2B |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 2.375 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| ADEA | NUT HEIGHT | INCHES NOMINAL 1.312 |
| MATT | MATERIAL | OVERALL EXCEPT INSERT STEEL |
| ACTA | NUT STYLE | — |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATT | MATERIAL | LOCKING INSERT PLASTIC |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2364-15012T | 81198 | INDUSTRIAL NUT CORP DIV INDUSTRIAL NUT CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2J3950 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-04 | [SPE7LX21D0087/SPE7LX26FB6KE](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005579415) | NUT, SELF-LOCKING, HEXAGON | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $33.53 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310005579415&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005579415
- 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/5310-00-557-9415/
JSON: https://nsnexplorer.com/api/nsn/5310-00-557-9415.json