# NSN 5305-01-211-3100: Screw, Cap, Socket Head

NSN 5305-01-211-3100 (also written 5305012113100; NIIN 01-211-3100) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5305-01-211-3100 (5305012113100)
- NIIN: 01-211-3100 (012113100)
- Item name: SCREW,CAP,SOCKET HEAD
- Federal Supply Class: [FSC 5305 Screws](https://nsnexplorer.com/fsc/5305/)
- 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 |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.234 AND INCHES MAXIMUM 0.375 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 0.345 AND INCHES MAXIMUM 0.375 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.457 AND INCHES MAXIMUM 0.469 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.306 AND INCHES MAXIMUM 0.312 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.312 |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 0.250 |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 37.0 AND ROCKWELL C MAXIMUM 45.0 |
| CSYM | SURFACE FINISH | THREADS MICROINCHES 32.0 |
| CSYM | SURFACE FINISH | BEARING SURFACE OF HEAD MICROINCHES 63.0 |
| MATT | MATERIAL | OVERALL STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD ALL MATERIAL RESPONSES SAE GRADE 8 |
| SFTT | SURFACE TREATMENT | OVERALL ZINC |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 16064 | 27646 | WARN INDUSTRIES, INC. DBA WARN DIV WARN INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 16064 | 27647 | WARN INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-29 | [SPE4A626PYY58](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305012113100) | SCREW, CAP, SOCKET HEAD | TRIMAN INDUSTRIES INC | $272.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305012113100&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305012113100
- 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/5305-01-211-3100/
JSON: https://nsnexplorer.com/api/nsn/5305-01-211-3100.json