# NSN 5310-01-657-3538: Nut, Self-Locking, Hexagon

NSN 5310-01-657-3538 (also written 5310016573538; NIIN 01-657-3538) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5310-01-657-3538 (5310016573538)
- NIIN: 01-657-3538 (016573538)
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 6H |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | MILLIMETERS MINIMUM 11.00 AND MILLIMETERS MAXIMUM 12.00 |
| AGAV | END ITEM IDENTIFICATION | MRAP - M-ATV; 4210-01-622-0440; 2320-01-652-5218 JOINT LIGHT TACTICAL VEHICLE (JLTV) |
| ASDB | WIDTH ACROSS FLATS | MILLIMETERS MINIMUM 18.67 AND MILLIMETERS MAXIMUM 19.00 |
| BZRR | THREAD SERIES | M |
| CQJX | NOMINAL THREAD SIZE | MILLIMETERS 12.0 |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.75 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR FLAT |
| FEAT | SPECIAL FEATURES | LOCKING FEATURE: DEFORMED THREADS |
| MATT | MATERIAL | OVERALL STEEL |
| SFTT | SURFACE TREATMENT | OVERALL PHOSPHATE ZINC |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12600461-001 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3862295 | 75Q65 | OSHKOSH DEFENSE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3862295001 | 75Q65 | OSHKOSH DEFENSE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-08 | [SPE7LX22D0076/SPE7LX27FA798](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016573538) | NUT, SELF-LOCKING, HEXAGON | OSHKOSH DEFENSE LLC | $458.49 |
| 2026-10-08 | [SPE7LX22D0076/SPE7LX27FA748](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016573538) | NUT, SELF-LOCKING, HEXAGON | OSHKOSH DEFENSE LLC | $55.49 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310016573538&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016573538
- 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/5310-01-657-3538/
JSON: https://nsnexplorer.com/api/nsn/5310-01-657-3538.json