# NSN 5305-01-334-4644: Screw, Cap, Socket Head

NSN 5305-01-334-4644 (also written 5305013344644; NIIN 01-334-4644) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 3 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5305-01-334-4644 (5305013344644)
- NIIN: 01-334-4644 (013344644)
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | MILLIMETERS NOMINAL 18.0 |
| AASB | FASTENER LENGTH | MILLIMETERS NOMINAL 20.0 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | MILLIMETERS NOMINAL 12.5 |
| AASU | HEAD HEIGHT | MILLIMETERS NOMINAL 6.0 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | MILLIMETERS 6.0 |
| ASDB | WIDTH ACROSS FLATS | MILLIMETERS NOMINAL 5.0 |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.0 |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 6G |
| MATT | MATERIAL | OVERALL STEEL COMP 316 |
| THSD | THREAD SERIES DESIGNATOR | M |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 912A4M6X20 | 15526 | METRIC AND MULTISTANDARD COMPONENTS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 912SXM6X20 | 15526 | METRIC AND MULTISTANDARD COMPONENTS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DIN 912-A4 6X20 | 15526 | METRIC AND MULTISTANDARD COMPONENTS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-01 | $10.00 | 23 | KAREN CARLISLE DBA B & K AEROSPACE | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305013344644) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-01 | [SPE4A627V0121](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305013344644) | SCREW, CAP, SOCKET HEAD | KAREN CARLISLE DBA B & K AEROSPACE | $230.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305013344644&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305013344644
- 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/5305-01-334-4644/
JSON: https://nsnexplorer.com/api/nsn/5305-01-334-4644.json