# NSN 5305-01-062-4442: Screw, Cap, Socket Head

NSN 5305-01-062-4442 (also written 5305010624442; NIIN 01-062-4442) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 5305-01-062-4442 (5305010624442)
- NIIN: 01-062-4442 (010624442)
- 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 | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES NOMINAL 1.250 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 4.000 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.550 AND INCHES MAXIMUM 0.562 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.368 AND INCHES MAXIMUM 0.375 |
| AAUM | LOCKING FEATURE | THREADS PATCH |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.375 |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 0.312 |
| CBBL | FEATURES PROVIDED | CASE-HARDENED |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| 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 32.0 |
| FEAT | SPECIAL FEATURES | CRITICAL ITEM HYDROGEN EMBRITTLEMENT RELIEF REQUIRED |
| MATT | MATERIAL | OVERALL STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED STD SINGLE MATERIAL RESPONSE FED STD 66 |
| SFTT | SURFACE TREATMENT | OVERALL ZINC |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ-Z-325,TYE 2,CLASS 3 |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3176207-C-170 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | [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=5305010624442&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305010624442
- 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/5305-01-062-4442/
JSON: https://nsnexplorer.com/api/nsn/5305-01-062-4442.json