# NSN 5305-00-944-6159: Screw, Cap, Socket Head

NSN 5305-00-944-6159 (also written 5305009446159; NIIN 00-944-6159) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 7 manufacturer part numbers from 7 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5305-00-944-6159 (5305009446159)
- NIIN: 00-944-6159 (009446159)
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AASB | FASTENER LENGTH | INCHES NOMINAL 1.250 |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.750 |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.218 AND INCHES MAXIMUM 0.226 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.134 AND INCHES MAXIMUM 0.138 |
| AAUM | LOCKING FEATURE | THREADS PELLET |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.138 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 0.109 AND INCHES MAXIMUM 0.111 |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 130000 |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 45.0 |
| MATT | MATERIAL | OVERALL STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-H-6875 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE AND ZINC AND CHROMATE |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| BACS12BW06-20 | 02615 | NYLOK FASTENER CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACS12BW06-20 | 03038 | LONG-LOK, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACS12BW06-20 | 04866 | ND INDUSTRIES INC DIV ND INDUSTRIES, INC. - MICHIGAN DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACS12BW06-20 | 27238 | BRISTOL INDUSTRIES, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACS12BW06-20 | 50392 | SPS TECHNOLOGIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACS12BW06-20 | 82918 | THE BOEING COMPANY DIV LEGACY WICHITA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FFS86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-24 | $45.00 | 45 | ALAMO AIRCRAFT, LTD. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305009446159) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-29 | [SPE4A626PFFF5](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305009446159) | SCREW, CAP, SOCKET HE | ALAMO AIRCRAFT, LTD. | $1,925.00 |
| 2026-09-24 | [SPE4A626P00W9](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305009446159) | SCREW, CAP, SOCKET HEAD | ALAMO AIRCRAFT, LTD. | $2,025.00 |
| 2026-08-27 | [SPE4A626P0B84](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305009446159) | SCREW, CAP, SOCKET HEAD | ALAMO AIRCRAFT, LTD. | $1,040.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305009446159&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305009446159
- 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/5305-00-944-6159/
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