The Screw,machine, cataloged under National Stock Number 5305-01-616-4768, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-616-4768 |
| Primary Part Number | BACS12HN3-28 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Screw Surface Treatment | CHROMATE AND CADMIUM |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Thread Length | 1.687 INCHES MINIMUM AND 1.718 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN |
| Screw Material | IRON ALLOY 660 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| BACS12HN3-28 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACS12HN3-28 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACS12HN3-28 | Heartland Precision Fasteners Inc (USA) |
NSN 5305-01-616-4768 is a Screw,machine, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-616-4768 has 3 manufacturer part numbers on file: BACS12HN3-28 (Howmet Global Fastening Systems Inc Div City of Industry Operations), BACS12HN3-28 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACS12HN3-28 (Heartland Precision Fasteners Inc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-724-7717. Verify interchangeability with system specifications before substitution.
Key specifications for BACS12HN3-28: Head Height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Screw Surface Treatment: CHROMATE AND CADMIUM; Fastener Length: 1.750 INCHES NOMINAL IN; Thread Length: 1.687 INCHES MINIMUM AND 1.718 INCHES MAXIMUM IN. 13 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.