# NSN 5310-00-820-3187: Nut, Plain, Knurled

NSN 5310-00-820-3187 (also written 5310008203187; NIIN 00-820-3187) is a nut, plain, knurled 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: 5310-00-820-3187 (5310008203187)
- NIIN: 00-820-3187 (008203187)
- Item name: NUT,PLAIN,KNURLED
- 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 |
| --- | --- | --- |
| CBBL | FEATURES PROVIDED | CASE-HARDENED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-S-633 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 3 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.250 |
| ADBG | NUT THICKNESS | INCHES MINIMUM 0.196 AND INCHES MAXIMUM 0.206 |
| ADBK | KNURL WIDTH | INCHES MINIMUM 0.062 AND INCHES MAXIMUM 0.079 |
| CRTL | CRITICALITY CODE JUSTIFICATION | ADBK |
| BZRR | THREAD SERIES | UNF |
| ACTD | NUT DIAMETER | INCHES MINIMUM 0.464 AND INCHES MAXIMUM 0.468 |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | — |
| MATT | MATERIAL | OVERALL STEEL COMP 1211 OR STEEL COMP 1212 OR STEEL COMP 1213 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5310008203187 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7046947 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [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=5310008203187&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310008203187
- 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/5310-00-820-3187/
JSON: https://nsnexplorer.com/api/nsn/5310-00-820-3187.json