The Screw,close Tolerance, cataloged under National Stock Number 5305-01-176-7382, 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 17 specifications, cited from the U.S. Government catalog. The record lists 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-176-7382 |
| Primary Part Number | HT4025L3-12 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Fastener Length | 1.141 INCHES MINIMUM AND 1.171 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE 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 | 0.376 INCHES MINIMUM AND 0.385 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 |
|---|---|
| HT4025L3-12 PRIMARY | Huck International, Inc (USA) |
| HT4025L3-12 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HT4025L3-12 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4025L3-12 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 11905-3L12 PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M454-3L12 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M454-3L12 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HT4025L3-12 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| WC4025L3-12 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HT4025L3-12 PRIMARY | Hi-Shear Corporation (USA) |
| HT4025L3-12 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HT4025L3-12 | Howmet Global Fastening Systems Inc (USA) |
| ST3M454-3L12 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M454-3L12 PRIMARY | Houston Precision Fasteners I Lp (USA) |
| Reference | Meaning |
|---|---|
| 10115548 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HT4025L3-12 | 5/9 Secondary reference U.S. Government activity |
| HT4025L3-12 | 5/9 Secondary reference U.S. Government activity |
| HT4025L3-12 | 3/2 Design control — primary reference U.S. Government activity |
| ST3M454-3L12 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5305-01-176-7382 is a Screw,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-176-7382 has 14 manufacturer part numbers on file: HT4025L3-12 (Huck International, Inc), HT4025L3-12 (Sps Technologies Ltd, Tj Brooks Division), HT4025L3-12 (Sps Technologies, Llc Dba PB Fasteners), HT4025L3-12 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 11905-3L12 (Reid Products Inc. Dba Reid Products Inc) and 9 more.
Key specifications for HT4025L3-12: Fastener Length: 1.141 INCHES MINIMUM AND 1.171 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN; Material Document and Classification: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 17 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.