# NSN 5305-00-842-3021: Screw, Cap, Hexagon Head

NSN 5305-00-842-3021 (also written 5305008423021; NIIN 00-842-3021) is a screw, cap, hexagon head in Federal Supply Class 5305, Screws. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5305-00-842-3021 (5305008423021)
- NIIN: 00-842-3021 (008423021)
- Item name: SCREW,CAP,HEXAGON 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 0 (observed 2026-10-23)
- Acquisition method code: 0

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.438 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 0.642 |
| AASK | HEAD STYLE | — |
| AASU | HEAD HEIGHT | INCHES NOMINAL 0.046 |
| AATB | WIDTH BETWEEN FLATS | INCHES NOMINAL 0.312 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.190 |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQHQ | MINIMUM YIELD STRENGTH | POUNDS PER SQUARE INCH 45000 |
| MATT | MATERIAL | OVERALL STEEL COMP 303 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| THSD | THREAD SERIES DESIGNATOR | UNF |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 151A525H01 | 79500 | WESTINGHOUSE ELECTRIC CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 151A525H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP | [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=5305008423021&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305008423021
- 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/5305-00-842-3021/
JSON: https://nsnexplorer.com/api/nsn/5305-00-842-3021.json