The Screw,machine, cataloged under National Stock Number 5305-01-520-8707, 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 18 specifications, cited from the U.S. Government catalog. The record lists 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-520-8707 |
| Primary Part Number | BACS12CK08-12 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Locking Feature Material Document and Classification | MIL-DTL-18240, TYPE P MIL SPEC SINGLE MATERIAL RESPONSE |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Screw Material Document and Classification | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.750 INCHES NOMINAL IN |
| Locking Feature Material | PLASTIC POLYAMIDE NYLON |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Locking Feature | SLOTTED |
| Screw Material | IRON ALLOY 660 |
| Internal Drive Style | CROSS RECESS TYPE III |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNJC |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| BACS12CK08-12 | Huck International, Inc (USA) |
| BACS12CK08-12 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACS12CK08-12 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACS12CK08-12 | Howmet Global Fastening Systems Inc (USA) |
| BACS12CK08-12 | Heartland Precision Fasteners Inc (USA) |
| BACS12CK08-12 | Federal Manufacturing Corp (USA) |
| BACS12CK08-12 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACS12CK08-12 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACS12CK08-12 | 3-V Fastener Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| BACS12CK08-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-520-8707 is a Screw,machine, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-520-8707 has 9 manufacturer part numbers on file: BACS12CK08-12 (Huck International, Inc), BACS12CK08-12 (Sps Technologies, Llc Dba PB Fasteners), BACS12CK08-12 (Howmet Global Fastening Systems Inc Div City of Industry Operations), BACS12CK08-12 (Howmet Global Fastening Systems Inc), BACS12CK08-12 (Heartland Precision Fasteners Inc) and 4 more.
Key specifications for BACS12CK08-12: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Locking Feature Material Document and Classification: MIL-DTL-18240, TYPE P MIL SPEC SINGLE MATERIAL RESPONSE; Screw Surface Treatment: CADMIUM; Fastener Length: 0.750 INCHES NOMINAL IN. 18 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.