The Screw,close Tolerance, cataloged under National Stock Number 5305-01-433-3318, 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 16 specifications, cited from the U.S. Government catalog. The record lists 20 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-433-3318 |
| Primary Part Number | TX1026V3-19A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Head Height | 0.084 INCHES NOMINAL IN |
| Fastener Length | 1.518 INCHES MINIMUM AND 1.548 INCHES MAXIMUM IN |
| Thread Length | 0.345 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.372 INCHES MINIMUM AND 0.381 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 |
|---|---|
| 3M1169V3-19A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M1169V3-19A | Howmet Global Fastening Systems Inc (USA) |
| 3M1169V3-19A | Reid Products Inc. Dba Reid Products Inc (USA) |
| TX1026V3-19A PRIMARY | Hi-Shear Corporation (USA) |
| 3M1169V3-19A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 11827V3-19A | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1169V3-19A PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| GS1006V3-19A PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M1169V3-19A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1026V3-19A PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1026V3-19A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M1169V3-19A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M1169V3-19A | Hi-Shear Corporation (USA) |
| TX1026V3-19A PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1026V3-19A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M1169V3-19A | Houston Precision Fasteners I Lp (USA) |
| 3M1169V3-19A | Huck International, Inc (USA) |
| 3M1169V3-19A | Heartland Precision Fasteners Inc (USA) |
| TX1026V3-19A PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| WC1169V3-19A PRIMARY | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3M1169V3-19A | 5/2 Secondary reference U.S. Government activity |
| TX1026V3-19A | 3/2 Design control — primary reference U.S. Government activity |
| 10328244 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 3M1169V3-19A | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| G5305014172491 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-433-3318 is a Screw,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-433-3318 has 20 manufacturer part numbers on file: 3M1169V3-19A (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 3M1169V3-19A (Howmet Global Fastening Systems Inc), 3M1169V3-19A (Reid Products Inc. Dba Reid Products Inc), TX1026V3-19A (Hi-Shear Corporation), 3M1169V3-19A (Sps Technologies, Llc Dba PB Fasteners) and 15 more.
Key specifications for TX1026V3-19A: Head Height: 0.084 INCHES NOMINAL IN; Fastener Length: 1.518 INCHES MINIMUM AND 1.548 INCHES MAXIMUM IN; Thread Length: 0.345 INCHES NOMINAL IN; Nominal Thread Diameter: 0.190 INCHES IN. 16 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.