The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-090-7146, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div City of Industry Operations. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-090-7146 |
| Primary Part Number | BACS12BG02AP5 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc Div City of Industry Operations |
| Status | ACTIVE |
| Head Height | 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Fastener Length | 0.282 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.246 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH THREADS |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HIGH-TORQUE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 56 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNJC |
| Head Diameter | 0.155 INCHES MINIMUM AND 0.167 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 |
|---|---|
| BACS12BG02AP5 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACS12BG02AP5 | Howmet Global Fastening Systems Inc (USA) |
| BACS12BG02AP5 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACS12BG02AP5 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BACS12BG02AP5 | Hi-Shear Corporation (USA) |
| BACS12BG02AP5 | Grimes Aerospace Company (USA) |
| Reference | Meaning |
|---|---|
| BACS12BG02AP5 | 3/2 Design control — primary reference U.S. Government activity |
| BACS12BG02AP5 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-090-7146 is a Screw,cap,socket Head, manufactured by Howmet Global Fastening Systems Inc Div City of Industry Operations, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-090-7146 has 6 manufacturer part numbers on file: BACS12BG02AP5 (Howmet Global Fastening Systems Inc Div City of Industry Operations), BACS12BG02AP5 (Howmet Global Fastening Systems Inc), BACS12BG02AP5 (Sps Technologies, Llc Dba PB Fasteners), BACS12BG02AP5 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BACS12BG02AP5 (Hi-Shear Corporation) and 1 more.
Key specifications for BACS12BG02AP5: Head Height: 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN; Fastener Length: 0.282 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.246 INCHES MINIMUM AND 0.312 INCHES MAXIMUM 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.