# NSN 5305-01-186-5381: Screw, Cap, Hexagon Head

NSN 5305-01-186-5381 (also written 5305011865381; NIIN 01-186-5381) is a screw, cap, hexagon head in Federal Supply Class 5305, Screws. 4 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5305-01-186-5381 (5305011865381)
- NIIN: 01-186-5381 (011865381)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | MILLIMETERS MINIMUM 12.30 AND MILLIMETERS MAXIMUM 16.00 |
| AASB | FASTENER LENGTH | MILLIMETERS MINIMUM 15.30 AND MILLIMETERS MAXIMUM 16.00 |
| AASK | HEAD STYLE | — |
| AASU | HEAD HEIGHT | MILLIMETERS MINIMUM 9.10 AND MILLIMETERS MAXIMUM 10.90 |
| AATB | WIDTH BETWEEN FLATS | MILLIMETERS MINIMUM 14.70 AND MILLIMETERS MAXIMUM 15.00 |
| AATC | EXTENDED WASHER DIAMETER | MILLIMETERS MAXIMUM 21.50 |
| AATD | EXTENDED WASHER THICKNESS | MILLIMETERS MINIMUM 1.50 |
| AHYM | NOMINAL THREAD DIAMETER | MILLIMETERS 10.0 |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.5 |
| MATT | MATERIAL | OVERALL STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MFR REF SINGLE MATERIAL RESPONSE G- 500--(9.8),FSC- 11862 |
| SFTT | SURFACE TREATMENT | OVERALL PHOSPHATE |
| THSD | THREAD SERIES DESIGNATOR | M |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 11503451 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11508581 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11515763 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11515763 | 7X677 | GENERAL MOTORS LLC DBA GENERAL MOTORS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-11 | [SPE4A622D5965/SPE4A626F8426](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305011865381) | SCREW, CAP, HEXAGON H | — | $5,174.52 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305011865381&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305011865381
- 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/5305-01-186-5381/
JSON: https://nsnexplorer.com/api/nsn/5305-01-186-5381.json