# NSN 5305-01-155-3912: Screw, Cap, Socket Head

NSN 5305-01-155-3912 (also written 5305011553912; NIIN 01-155-3912) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5305-01-155-3912 (5305011553912)
- NIIN: 01-155-3912 (011553912)
- 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 2026-11-01)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | MILLIMETERS MINIMUM 77.0 AND MILLIMETERS MAXIMUM 80.0 |
| AASB | FASTENER LENGTH | MILLIMETERS NOMINAL 80.0 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | MILLIMETERS MINIMUM 23.67 AND MILLIMETERS MAXIMUM 24.33 |
| AASU | HEAD HEIGHT | MILLIMETERS MINIMUM 15.57 AND MILLIMETERS MAXIMUM 16.00 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | MILLIMETERS 16.0 |
| ASDB | WIDTH ACROSS FLATS | MILLIMETERS MINIMUM 14.00 AND MILLIMETERS MAXIMUM 14.21 |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.5 |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 6G |
| MATT | MATERIAL | OVERALL STEEL PROPERTY CLASS 8.8 |
| SFTT | SURFACE TREATMENT | OVERALL ZINC |
| THSD | THREAD SERIES DESIGNATOR | M |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10501634 | 56161 | GENERAL DYNAMICS LAND SYSTEMS CANADACORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DIN912-M16X1,5X80-8.8-A3L | D8286 | DIN DEUTSCHES INSTITUT FUR NORMUNG EV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ISO4762M16X1,5X80-8.8-A3L | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-25 | [SPE4A726D5738/SPE4A726F018D](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305011553912) | SCREW, CAP, SOCKET HEAD | ALAMO AIRCRAFT, LTD. | $31,084.57 |
| 2026-08-20 | [SPE4A726D5738](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305011553912) | SCREW, CAP, SOCKET HEAD | ALAMO AIRCRAFT, LTD. | $349,999.99 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305011553912&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305011553912
- 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/5305-01-155-3912/
JSON: https://nsnexplorer.com/api/nsn/5305-01-155-3912.json