The Screw,machine, cataloged under National Stock Number 5305-01-207-9339, 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 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-207-9339 |
| Primary Part Number | BACS12CK3U10 |
| 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 | PASSIVATE |
| Fastener Length | 0.590 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.528 INCHES MINIMUM AND 0.620 INCHES MAXIMUM 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 | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 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 |
|---|---|
| BACS12CK3U10 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACS12CK3U10 | 3-V Fastener Co., Inc. (USA) |
| BACS12CK3U10 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACS12CK3U10 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| BACS12CK3U10 PRIMARY | Federal Manufacturing Corp (USA) |
| BACS12CK3U10 PRIMARY | Huck International, Inc (USA) |
| BACS12CK3U10 | Heartland Precision Fasteners Inc (USA) |
| BACS12CK3U10 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BACS12CK3U10 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| Reference | Meaning |
|---|---|
| BACS12CK3U10 | 5/9 Secondary reference U.S. Government activity |
| BACS12CK3U10 | 5/9 Secondary reference U.S. Government activity |
| BACS12CK3U10 | 7/2 Vendor item drawing reference U.S. Government activity |
| BACS12CK3U10 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| BACS12CK3U10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-207-9339 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 5305-01-207-9339 has 9 manufacturer part numbers on file: BACS12CK3U10 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACS12CK3U10 (3-V Fastener Co., Inc.), BACS12CK3U10 (Sps Technologies, Llc Dba PB Fasteners), BACS12CK3U10 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), BACS12CK3U10 (Federal Manufacturing Corp) and 4 more.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-669-4273. Verify interchangeability with system specifications before substitution.
Key specifications for BACS12CK3U10: Head Height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.590 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS 5737 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.