# NSN 5310-01-256-9252: Nut, Plain, Round

NSN 5310-01-256-9252 (also written 5310012569252; NIIN 01-256-9252) is a nut, plain, round in Federal Supply Class 5310, Nuts and Washers. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-01-256-9252 (5310012569252)
- NIIN: 01-256-9252 (012569252)
- Item name: NUT,PLAIN,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 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAWY | COUNTERBORE DIAMETER | BOTH ENDS INCHES NOMINAL 2.030 |
| ABQU | DRIVE POINT DEPTH | INCHES MINIMUM 0.090 AND INCHES MAXIMUM 0.130 |
| ACTA | NUT STYLE | — |
| ACTD | NUT DIAMETER | INCHES NOMINAL 2.500 |
| ADBG | NUT THICKNESS | INCHES NOMINAL 0.550 |
| ADBH | DRIVE POINT WIDTH | INCHES NOMINAL 0.310 |
| ADBM | DRIVE POINT QUANTITY | 2 |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQJX | NOMINAL THREAD SIZE | INCHES 2.000 |
| CRSQ | COUNTERSINK ANGLE | BOTH ENDS DEGREES MINIMUM 105.0 AND DEGREES MAXIMUM 115.0 |
| MATT | MATERIAL | OVERALL STEEL COMP 4130 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-6758 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 339532-3 | 30205 | MERCER PRODUCTS & MANUFACTURING COMPANY DBA MERCER PRODUCTS & MANUFACTURING CO DIV MERCER PRODUCTS & MANUFACTURING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 339532-3 | 6Z800 | A AND M AEROSPACE, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 339532-3 | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5310PL1462534 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-09 | [SPE4A626P0D27](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012569252) | NUT, PLAIN, ROUND | JGILS, LLC DBA JGILS LLC | $63,127.12 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310012569252&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012569252
- 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/5310-01-256-9252/
JSON: https://nsnexplorer.com/api/nsn/5310-01-256-9252.json