The Screw,machine, cataloged under National Stock Number 5305-01-596-7869, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-596-7869 |
| Primary Part Number | BACS12ER04K12 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Head Height | 0.045 INCHES NOMINAL IN |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.705 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FILLISTER COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | TITANIUM ALLOY |
| Internal Drive Style | CROSS RECESS TYPE III |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNJC |
| Head Diameter | 0.183 INCHES MINIMUM AND 0.219 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 |
|---|---|
| BACS12ER04K12 | Howmet Global Fastening Systems Inc (USA) |
| BACS12ER04K12 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| BACS12ER04K12 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACS12ER04K12 | Hi-Shear Corporation (USA) |
| BACS12ER04K12 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACS12ER04K12 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACS12ER04K12 | Huck International, Inc (USA) |
| BACS12ER04K12 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| BACS12ER04K12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-596-7869 is a Screw,machine, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-596-7869 has 8 manufacturer part numbers on file: BACS12ER04K12 (Howmet Global Fastening Systems Inc), BACS12ER04K12 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), BACS12ER04K12 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACS12ER04K12 (Hi-Shear Corporation), BACS12ER04K12 (Howmet Global Fastening Systems Inc Div City of Industry Operations) and 3 more.
Key specifications for BACS12ER04K12: Head Height: 0.045 INCHES NOMINAL IN; Fastener Length: 0.750 INCHES NOMINAL IN; Thread Length: 0.705 INCHES NOMINAL IN; Nominal Thread Diameter: 0.112 INCHES 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.