The Screw,machine, cataloged under National Stock Number 5305-01-337-7454, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-337-7454 |
| Primary Part Number | BACS12GU3R8D |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Screw Surface Treatment | PHOSPHATE |
| Fastener Length | 0.484 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.406 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN |
| Screw Material | TITANIUM ALLOY UNS R56400 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Hole Quantity | 3 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Hole Configuration Style | HEXAGON CORNERS |
| Hole Diameter | 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BACS12GU3R8D | Huck International, Inc (USA) |
| BACS12GU3R8D | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACS12GU3R8D | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACS12GU3R8D | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| BACB12GU3R8D | 5/9 Secondary reference U.S. Government activity |
| BACB12GU3R8D | 3/2 Design control — primary reference U.S. Government activity |
| BACS12GU3R8D | 5/2 Secondary reference U.S. Government activity |
| BACS12GU3R8D | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-337-7454 is a Screw,machine, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-337-7454 has 4 manufacturer part numbers on file: BACS12GU3R8D (Huck International, Inc), BACS12GU3R8D (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACS12GU3R8D (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACS12GU3R8D (Howmet Global Fastening Systems Inc).
Key specifications for BACS12GU3R8D: Head Height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Screw Surface Treatment: PHOSPHATE; Fastener Length: 0.484 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.