The Screw,close Tolerance, cataloged under National Stock Number 5305-01-194-9197, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-194-9197 |
| Primary Part Number | HT4058-3-5A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.0800 INCHES MINIMUM AND 0.0820 INCHES MAXIMUM IN |
| Fastener Length | 0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Length | 0.381 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4967 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.4625 INCHES MINIMUM AND 0.4672 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 |
|---|---|
| HT4058-3-5A | Huck International, Inc (USA) |
| HT4058-3-5A PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HT353P3-5 | Hi-Shear Corporation (USA) |
| HT353P3-5 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| HT4058-3-5A | 5/9 Secondary reference U.S. Government activity |
| HT4058-3-5A | 5/9 Secondary reference U.S. Government activity |
| ST3M794V3-5A | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| ST3M794V3-5A | 5/2 Secondary reference U.S. Government activity |
| HT4058-3-5A | 3/2 Design control — primary reference U.S. Government activity |
| HT4058-3-5A | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5305-01-194-9197 is a Screw,close Tolerance, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-194-9197 has 4 manufacturer part numbers on file: HT4058-3-5A (Huck International, Inc), HT4058-3-5A (Howmet Global Fastening Systems Inc), HT353P3-5 (Hi-Shear Corporation), HT353P3-5 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for HT4058-3-5A: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.0800 INCHES MINIMUM AND 0.0820 INCHES MAXIMUM IN. 19 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.