# NSN 5310-00-997-3258: Nut, Self-Locking, Hexagon

NSN 5310-00-997-3258 (also written 5310009973258; NIIN 00-997-3258) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 10 manufacturer part numbers from 6 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-997-3258 (5310009973258)
- NIIN: 00-997-3258 (009973258)
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| PRMT | PRECIOUS MATERIAL | SILVER |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| MATT | MATERIAL | OVERALL IRON ALLOY 660 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5735 |
| ADEA | NUT HEIGHT | INCHES MINIMUM 0.400 AND INCHES MAXIMUM 0.410 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.250 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ACTA | NUT STYLE | — |
| AAJD | THREAD CLASS | 3BG |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 0.430 AND INCHES MAXIMUM 0.439 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| SFTT | SURFACE TREATMENT | OVERALL SILVER |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2410 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 489256 | 00088 | ROYAL OAK GAGE, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 489256 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 489256 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 489273 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 489274 | 11449 | TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 489274 | 26212 | NOW CORP MODERN MFG DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 489274 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 489274 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 59660-428 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| Z6729-048 | 72962 | HARVARD INDUSTRIES INC | [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=5310009973258&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310009973258
- 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/5310-00-997-3258/
JSON: https://nsnexplorer.com/api/nsn/5310-00-997-3258.json