# NSN 5310-01-203-8401: Nut, Plain, Round

NSN 5310-01-203-8401 (also written 5310012038401; NIIN 01-203-8401) is a nut, plain, round in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-01-203-8401 (5310012038401)
- NIIN: 01-203-8401 (012038401)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-13)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | — |
| ADBG | NUT THICKNESS | INCHES NOMINAL 1.880 |
| ADBJ | UNDERCUT THICKNESS | INCHES NOMINAL 0.800 |
| FEAT | SPECIAL FEATURES | NUT ASSEMBLY; C/O 2 RING,P/N 12337133; 2 SCREW,P/N MS18154-122; 2 PIN,P/N MS9390-700; 1.880 HIGH; M160X3 METRIC INSIDE DIA; 7.000 DIST BETWEEN HOLES; FINAL PROTECTIVE FINISH: CLEAN PER SPEC TT-C-490 TREAT,TYPE I OR III,SPEC TT-C-490 APPLY PRIMER SPEC TT-P-636,TT-P-664 OR MIL-P-52977; TOPCOAT COLOR FOREST GREEN,SPEC MIL-E-52798; USED ON M1E1 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12337132 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5310012038401 | A00AM | E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-2335 | 45 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310012038401&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310012038401&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012038401
- 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/5310-01-203-8401/
JSON: https://nsnexplorer.com/api/nsn/5310-01-203-8401.json