The Screw,machine, cataloged under National Stock Number 5305-01-207-7518, 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 15 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-207-7518 |
| Primary Part Number | BACS12CK3-37 |
| 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 | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Screw Surface Treatment | CADMIUM AND CHROMATE |
| Fastener Length | 2.222 INCHES MINIMUM AND 2.312 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 1.750 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | IRON ALLOY 660 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNF |
| Head Diameter | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-416,TYPE 2 CLASS 3 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 |
|---|---|
| BACS12CK3-37 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACS12CK3-37 | Federal Manufacturing Corp (USA) |
| BACS12CK3-37 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACS12CK3-37 | Howmet Global Fastening Systems Inc (USA) |
| BACS12CK3-37 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACS12CK3-37 | 5/2 Secondary reference U.S. Government activity |
| BACS12CK3-37 | 5/9 Secondary reference U.S. Government activity |
| BACS12CK3-37 | 3/2 Design control — primary reference U.S. Government activity |
| BACS12CK3-37 | 5/2 Secondary reference U.S. Government activity |
| BACS12CK3-37 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| BACS12CK3-37 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-207-7518 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 5305-01-207-7518 has 5 manufacturer part numbers on file: BACS12CK3-37 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACS12CK3-37 (Federal Manufacturing Corp), BACS12CK3-37 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACS12CK3-37 (Howmet Global Fastening Systems Inc), BACS12CK3-37 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for BACS12CK3-37: Head Height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Screw Surface Treatment: CADMIUM AND CHROMATE; Fastener Length: 2.222 INCHES MINIMUM AND 2.312 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS5737 ASSN STD SINGLE MATERIAL RESPONSE. 15 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.