# NSN 5305-01-155-5440: Screw, Cap, Hexagon Head

NSN 5305-01-155-5440 (also written 5305011555440; NIIN 01-155-5440) is a screw, cap, hexagon head in Federal Supply Class 5305, Screws. 11 manufacturer part numbers from 9 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5305-01-155-5440 (5305011555440)
- NIIN: 01-155-5440 (011555440)
- Item name: SCREW,CAP,HEXAGON 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 |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | MILLIMETERS MINIMUM 21.0 AND MILLIMETERS MAXIMUM 25.0 |
| AASB | FASTENER LENGTH | MILLIMETERS NOMINAL 25.00 |
| AASK | HEAD STYLE | — |
| AASU | HEAD HEIGHT | MILLIMETERS MINIMUM 7.32 AND MILLIMETERS MAXIMUM 7.68 |
| AATB | WIDTH BETWEEN FLATS | MILLIMETERS MINIMUM 18.67 AND MILLIMETERS MAXIMUM 19.00 |
| AHYM | NOMINAL THREAD DIAMETER | MILLIMETERS 12.0 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 113784 |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 18.0 AND ROCKWELL C MAXIMUM 31.0 |
| CQQR | THREAD PITCH IN MILLIMETERS | 2.0 |
| 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 |
| --- | --- | --- | --- |
| 10501741 | 56161 | GENERAL DYNAMICS LAND SYSTEMS CANADACORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 718-1073 | 44940 | CUMMINS POWER GENERATION INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 91000098 | K0407 | RBSL WASHINGTON | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 91000098 | U07Z1 | BAES GCS TERRIER SSC 3 PROJECT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C0718107300 | 15434 | CUMMINS INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DIN933-M12X25-8,8-A3L | D8286 | DIN DEUTSCHES INSTITUT FUR NORMUNG EV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ISO4017 | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ISO4017-M12X25-8,8-A3L | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| KHV218X12A-250 ITEM 32 | A029G | KONE INDUSTRIAL OY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| KHV218X12A-250 ITEM 32 | S4599 | KONE OYJ HYVINKAAN TEHTAAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M12X25DIN933-M8.8A3G | D8286 | DIN DEUTSCHES INSTITUT FUR NORMUNG EV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-29 | [SPE4A625D0032/SPE4A626F523T](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305011555440) | SCREW, CAP, HEXAGON HEAD | — | $750.20 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305011555440&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305011555440
- 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/5305-01-155-5440/
JSON: https://nsnexplorer.com/api/nsn/5305-01-155-5440.json