# NSN 5310-00-253-2798: Nut, Plain, Hexagon

NSN 5310-00-253-2798 (also written 5310002532798; NIIN 00-253-2798) is a nut, plain, hexagon in Federal Supply Class 5310, Nuts and Washers. 6 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-253-2798 (5310002532798)
- NIIN: 00-253-2798 (002532798)
- Item name: NUT,PLAIN,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 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACTA | NUT STYLE | — |
| AAJD | THREAD CLASS | 2B |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 3 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE 2 AND STYLE 4 AND GRADE B |
| CQJX | NOMINAL THREAD SIZE | INCHES 2.250 |
| CRTM | BEARING SURFACE TYPE | FLAT OR CHAMFERED |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 3.262 AND INCHES MAXIMUM 3.375 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| CMLP | THREAD QUANTITY PER INCH | 4.5 |
| CQFM | HARDNESS RATING | ROCKWELL B MINIMUM 90.0 AND ROCKWELL C MAXIMUM 32.0 |
| MATT | MATERIAL | OVERALL STEEL |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ADEA | NUT HEIGHT | INCHES MINIMUM 1.874 AND INCHES MAXIMUM 1.970 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12387305-50 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2 1-4 X 4 1-2 U NC HEX (SPL) | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2 1/4 - 4 1/2 U NC - 2B | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D2617 PIECE-6 | 87045 | WALZ & KRENZER INC DIV MAPECO PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FFN836 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS51967-50 | 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/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310002532798&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002532798
- 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/5310-00-253-2798/
JSON: https://nsnexplorer.com/api/nsn/5310-00-253-2798.json