The Screw,close Tolerance, cataloged under National Stock Number 5305-01-015-3365, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-015-3365 |
| Primary Part Number | HT4025L3-9 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Fastener Length | 0.953 INCHES MINIMUM AND 0.983 INCHES MAXIMUM IN |
| 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 |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| 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 |
|---|---|
| HT4025L3-9 PRIMARY | Hi-Shear Corporation (USA) |
| HT4025L3-9 PRIMARY | Huck International, Inc (USA) |
| HT4025L3-9 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4025L3-9 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| WC4025L-3-9 PRIMARY | West Coast Aerospace, Inc. (USA) |
| ST3M454-3L9 PRIMARY | Houston Precision Fasteners I Lp (USA) |
| HT4025L3-9 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HT4025L3-9 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| 11905-3L9 PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M454-3L9 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M454-3L9 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4025L3-9 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HT4025L3-9 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M454-3L9 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| HT4025L3-9 | 5/9 Secondary reference U.S. Government activity |
| ST3M454-3L9 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HT4025L3-9 | 5/9 Secondary reference U.S. Government activity |
| HT4025L3-9 | 3/2 Design control — primary reference U.S. Government activity |
| HT4025L3-9 | 5/9 Secondary reference Epi Printers, Inc. Div Business Development |
| HT4025L3-9 | 5/9 Secondary reference Sps Technologies Inc |
| 10114845 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5305-01-015-3365 is a Screw,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-015-3365 has 14 manufacturer part numbers on file: HT4025L3-9 (Hi-Shear Corporation), HT4025L3-9 (Huck International, Inc), HT4025L3-9 (Sps Technologies, Llc Dba PB Fasteners), HT4025L3-9 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), WC4025L-3-9 (West Coast Aerospace, Inc.) and 9 more.
Key specifications for HT4025L3-9: Fastener Length: 0.953 INCHES MINIMUM AND 0.983 INCHES MAXIMUM IN; 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. 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.