# NSN 5305-01-644-0956: Screw, Tapping

NSN 5305-01-644-0956 (also written 5305016440956; NIIN 01-644-0956) is a screw, tapping in Federal Supply Class 5305, Screws. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5305-01-644-0956 (5305016440956)
- NIIN: 01-644-0956 (016440956)
- Item name: SCREW,TAPPING
- 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 2026-10-23)
- Acquisition method code: 2

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CRGF | NONMACHINE THREAD STYLE | — |
| CRSQ | COUNTERSINK ANGLE | DEGREES NOMINAL 82.0 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 0.750 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES NOMINAL 0.362 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AGAV | END ITEM IDENTIFICATION | 5895-01-592-8791 |
| MATT | MATERIAL | OVERALL STEEL COMP 302 |
| FEAT | SPECIAL FEATURES | OEM STAR STAINLESS SCREW CO; CAGE 97852 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | THREAD FORMING SCREW FOR SHEET METAL AND IRON |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | INCHES 0.190 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 93195A431 | 39428 | MCMASTER-CARR SUPPLY CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 93195A431 | 97852 | STAR STAINLESS SCREW CO | [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=5305016440956&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305016440956
- 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/5305-01-644-0956/
JSON: https://nsnexplorer.com/api/nsn/5305-01-644-0956.json