# NSN 5310-00-255-0010: Nut, Self-Locking, Hexagon

NSN 5310-00-255-0010 (also written 5310002550010; NIIN 00-255-0010) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-00-255-0010 (5310002550010)
- NIIN: 00-255-0010 (002550010)
- 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 |
| --- | --- | --- |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 250.0 |
| CMLP | THREAD QUANTITY PER INCH | 6 |
| AAJD | THREAD CLASS | 3B |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 2.159 AND INCHES MAXIMUM 2.197 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NUT FED STD ALL MATERIAL RESPONSES 66 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | LOCKING INSERT MIL SPEC SINGLE MATERIAL RESPONSE -IL---20693,CO- A,TY 1 |
| CQJX | NOMINAL THREAD SIZE | INCHES 1.500 |
| CRSQ | COUNTERSINK ANGLE | NUT DEGREES NOMINAL 88.0 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | INCHES MINIMUM 1.578 AND INCHES MAXIMUM 1.640 |
| SFTT | SURFACE TREATMENT | NUT PASSIVATE |
| CSXL | BEARING SURFACE FINISH | MICROINCHES 125.0 |
| MATT | MATERIAL | LOCKING INSERT PLASTIC POLYHEXAMETHYLENE AMIDE |
| MATT | MATERIAL | NUT STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP W214 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP M3 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 79NE246 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS17830-24C | 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/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M2-27-T-0522 | 145 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310002550010&category=nsn) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-29 | $97.00 | 37 | CAVANAUGH GOVERNMENT GROUP, LLC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002550010) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-29 | [SPE7M227P0021](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002550010) | NUT, SELF-LOCKING, HEXAGON | CAVANAUGH GOVERNMENT GROUP, LLC | $3,589.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310002550010&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002550010
- 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/5310-00-255-0010/
JSON: https://nsnexplorer.com/api/nsn/5310-00-255-0010.json