The Screw,close Tolerance, cataloged under National Stock Number 5305-01-101-9438, 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 20 specifications, cited from the U.S. Government catalog. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-101-9438 |
| Primary Part Number | 3M925C3-4D |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Head Height | 0.0439 INCHES MINIMUM AND 0.0459 INCHES MAXIMUM IN |
| Fastener Length | 0.641 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 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 | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.3765 INCHES MINIMUM AND 0.3813 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 |
|---|---|
| 3M925C3-4D PRIMARY | Huck International, Inc (USA) |
| WC4067-3-4 | West Coast Aerospace, Inc. (USA) |
| HT4067-3-4D PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 3M925C3-4D PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4067-3-4D PRIMARY | Huck International, Inc (USA) |
| 3M925C3-4D PRIMARY | Houston Precision Fasteners I Lp (USA) |
| 3M925C3-4D PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4067-3-4D PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M925C3-4D PRIMARY | West Coast Aerospace, Inc. (USA) |
| 3M925C3-4D PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 11881C3-4D | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| HT4067-3-4 | 5/9 Secondary reference Hi-Shear Corporation |
| HT4067-3-4 | 5/9 Secondary reference U.S. Government activity |
| HT4067-3-4 | 5/9 Secondary reference U.S. Government activity |
| HT4067-3-4 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HT4067-3-4D | 3/2 Design control — primary reference U.S. Government activity |
| HT4067-3-4D | 5/9 Secondary reference Hi-Shear Corporation |
| 3M925C3-4D | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| 3M925C3-4D | 3/2 Design control — primary reference U.S. Government activity |
| HT4067-3-4 | 5/9 Secondary reference U.S. Government activity |
| HT4067-3-4D | 5/9 Secondary reference U.S. Government activity |
| 3M925C3-4D | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HT4067-3-4D | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HT4067-3-4D | 5/9 Secondary reference Sps Technologies Inc |
| HT4067-3-4D | 5/9 Secondary reference Sps Technologies Ltd, Tj Brooks Division |
NSN 5305-01-101-9438 is a Screw,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-101-9438 has 11 manufacturer part numbers on file: 3M925C3-4D (Huck International, Inc), WC4067-3-4 (West Coast Aerospace, Inc.), HT4067-3-4D (Howmet Global Fastening Systems Inc), 3M925C3-4D (Fastener Innovation Technology, Inc. Dba F I T), HT4067-3-4D (Huck International, Inc) and 6 more.
Key specifications for 3M925C3-4D: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Head Height: 0.0439 INCHES MINIMUM AND 0.0459 INCHES MAXIMUM IN; Fastener Length: 0.641 INCHES MINIMUM AND 0.671 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.