# NSN 5310-00-298-4551: Nut, Self-Locking, Internal Wrench

NSN 5310-00-298-4551 (also written 5310002984551; NIIN 00-298-4551) is a nut, self-locking, internal wrench in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-298-4551 (5310002984551)
- NIIN: 00-298-4551 (002984551)
- Item name: NUT,SELF-LOCKING,INTERNAL WRENCH
- 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 |
| --- | --- | --- |
| ACTD | NUT DIAMETER | INCHES NOMINAL 0.969 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.562 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | — |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AAJD | THREAD CLASS | 3B |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| ADEA | NUT HEIGHT | INCHES NOMINAL 1.188 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 0.690 AND INCHES MAXIMUM 0.697 |
| MATT | MATERIAL | OVERALL STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| NAS443-9 | 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/) |
| UWN918 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310002984551&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002984551
- 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/5310-00-298-4551/
JSON: https://nsnexplorer.com/api/nsn/5310-00-298-4551.json