# NSN 5305-01-374-5944: Screw, Close Tolerance

NSN 5305-01-374-5944 (also written 5305013745944; NIIN 01-374-5944) is a screw, close tolerance in Federal Supply Class 5305, Screws. 7 manufacturer part numbers from 7 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5305-01-374-5944 (5305013745944)
- NIIN: 01-374-5944 (013745944)
- Item name: SCREW,CLOSE TOLERANCE
- 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 2026-11-06)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES NOMINAL 0.406 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 0.838 AND INCHES MAXIMUM 0.865 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.276 AND INCHES MAXIMUM 0.286 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.0785 AND INCHES MAXIMUM 0.0805 |
| AAUR | GRIP DIAMETER | INCHES MINIMUM 0.1890 AND INCHES MAXIMUM 0.1895 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.190 |
| ANEE | GRIP LENGTH | INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.448 |
| CBBL | FEATURES PROVIDED | DRY FILM LUBRICANT AND O RING |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CRSQ | COUNTERSINK ANGLE | DEGREES NOMINAL 100.0 |
| CSYM | SURFACE FINISH | THREADS MICROINCHES 32.0 |
| CSYM | SURFACE FINISH | BEARING SURFACE OF HEAD MICROINCHES 32.0 |
| MATT | MATERIAL | OVERALL TITANIUM ALLOY UNS R56400 OR TITANIUM ALLOY UNS R56440 |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| HT271A3-7M | 73197 | HI-SHEAR CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HT271A3-7M | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M430V3-7ASM | 17446 | HUCK INTERNATIONAL, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M430V3-7ASM | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M430V3-7ASM | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M430V3-7ASM | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M430V3-7ASM | K5673 | SPS TECHNOLOGIES LTD, TJ BROOKS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-8485 | 521 | 2026-11-12 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305013745944&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305013745944&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305013745944
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/5305-01-374-5944/
JSON: https://nsnexplorer.com/api/nsn/5305-01-374-5944.json