# NSN 5305-01-344-9653: Screw, Cap, Socket Head

NSN 5305-01-344-9653 (also written 5305013449653; NIIN 01-344-9653) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 8 manufacturer part numbers from 8 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5305-01-344-9653 (5305013449653)
- NIIN: 01-344-9653 (013449653)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | MILLIMETERS NOMINAL 14.0 |
| AASB | FASTENER LENGTH | MILLIMETERS NOMINAL 16.0 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | MILLIMETERS NOMINAL 12.0 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | MILLIMETERS 6.0 |
| ASDB | WIDTH ACROSS FLATS | MILLIMETERS NOMINAL 4.0 |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 38.0 AND ROCKWELL C MAXIMUM 44.0 |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.0 |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 6G |
| CRSQ | COUNTERSINK ANGLE | DEGREES NOMINAL 90.0 |
| MATT | MATERIAL | OVERALL STEEL |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TY2 CL2 |
| THSD | THREAD SERIES DESIGNATOR | M |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| HS7038M6-16 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HS7038M6-16 | 16258 | SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HS7038M6-16 | 27238 | BRISTOL INDUSTRIES, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HS7038M6-16 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HS7038M6-16 | 58794 | FASTENER TECHNOLOGY CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HS7038M6-16 | 8V613 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| OSS7038M6-16 | 1YQE8 | ALLIANT TECHSYSTEMS OPERATIONS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| OSS7038M6-16 | 8KP69 | NORTHROP GRUMMAN SYSTEMS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE4A626P00P5](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305013449653) | SCREW, CAP, SOCKET HEAD | — | $1,473.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305013449653&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305013449653
- 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/5305-01-344-9653/
JSON: https://nsnexplorer.com/api/nsn/5305-01-344-9653.json