The Screw,close Tolerance, cataloged under National Stock Number 5305-01-232-1443, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is West Coast Aerospace, Inc.. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 22 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-232-1443 |
| Primary Part Number | 3M925C5-12A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | West Coast Aerospace, Inc. |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Head Height | 0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Fastener Length | 1.266 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488,TYPE 2,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM AND CHROMATE OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.629 INCHES MINIMUM AND 0.634 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 |
|---|---|
| 3M925C5-12A | Houston Precision Fasteners I Lp (USA) |
| HT4067-5-12A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M925C5-12A PRIMARY | West Coast Aerospace, Inc. (USA) |
| 3M925C5-12A PRIMARY | Hi-Shear Corporation (USA) |
| 3M925C5-12A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HT4067-5-12A | Howmet Global Fastening Systems Inc (USA) |
| 11881C5-12A | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M925C5-12A | Reid Products Inc. Dba Reid Products Inc (USA) |
| WC4067-2-12A | West Coast Aerospace, Inc. (USA) |
| 3M925C5-12A PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HT4067-5-12A | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| 3M925C5-12A PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M925C5-12A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M925C5-12A PRIMARY | Huck International, Inc (USA) |
| 3M925C5-12A | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| 3M925C5-12A | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| 3M925C5-12A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M925C5-12A | Heartland Precision Fasteners Inc (USA) |
| 3M925C5-12A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M925C5-12A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HT4067-5-12A | 5/9 Secondary reference U.S. Government activity |
| 3M925C5-12A | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HT4067-5-12A | 5/9 Secondary reference Sps Technologies Inc |
| 3M925C5-12A | 3/2 Design control — primary reference U.S. Government activity |
| HT4067-5-12A | 5/2 Secondary reference U.S. Government activity |
| HT4067-5-12A | 5/9 Secondary reference U.S. Government activity |
| 3M925C5-12A | 5/9 Secondary reference Sps Technologies Inc |
NSN 5305-01-232-1443 is a Screw,close Tolerance, manufactured by West Coast Aerospace, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-232-1443 has 22 manufacturer part numbers on file: 3M925C5-12A (Houston Precision Fasteners I Lp), HT4067-5-12A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 3M925C5-12A (West Coast Aerospace, Inc.), 3M925C5-12A (Hi-Shear Corporation), 3M925C5-12A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 17 more.
Key specifications for 3M925C5-12A: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Head Height: 0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Fastener Length: 1.266 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN. 20 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.