# NSN 5310-01-310-9289: Nut, Self-Locking, Round

NSN 5310-01-310-9289 (also written 5310013109289; NIIN 01-310-9289) is a nut, self-locking, round in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-01-310-9289 (5310013109289)
- NIIN: 01-310-9289 (013109289)
- Item name: NUT,SELF-LOCKING,ROUND
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ABPH | SMALL END DIAMETER | INCHES MINIMUM 2.316 AND INCHES MAXIMUM 2.356 |
| ABQU | DRIVE POINT DEPTH | INCHES NOMINAL 0.0125 |
| ACTA | NUT STYLE | — |
| ACTD | NUT DIAMETER | INCHES MINIMUM 2.481 AND INCHES MAXIMUM 2.513 |
| ADBG | NUT THICKNESS | INCHES MINIMUM 0.543 AND INCHES MAXIMUM 0.573 |
| ADBH | DRIVE POINT WIDTH | INCHES MINIMUM 0.234 AND INCHES MAXIMUM 0.266 |
| ADBJ | UNDERCUT THICKNESS | INCHES NOMINAL 0.075 |
| ADBM | DRIVE POINT QUANTITY | 4 |
| AZKQ | TEMP RATING | FAHRENHEIT MINIMUM -75.0 AND FAHRENHEIT MAXIMUM 250.0 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 38.0 |
| CQJX | NOMINAL THREAD SIZE | INCHES 2.000 |
| CRSQ | COUNTERSINK ANGLE | NUT DEGREES MINIMUM 90.0 AND DEGREES MAXIMUM 110.0 |
| MATT | MATERIAL | NUT STEEL COMP 4130 |
| MATT | MATERIAL | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NUT ASSN STD SINGLE MATERIAL RESPONSE A-S 6370 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 6371 |
| SFTT | SURFACE TREATMENT | NUT CADMIUM AND CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 3 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 82631-3212 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACN10RF32 | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SL2822-32 | 97393 | SPS TECHNOLOGIES LLC DBA SHUR-LOK COMPANY DIV AEROSPACE ENGINEERED PRODUCTS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-0851 | 7 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310013109289&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310013109289&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310013109289
- 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/5310-01-310-9289/
JSON: https://nsnexplorer.com/api/nsn/5310-01-310-9289.json