The Screw,close Tolerance, cataloged under National Stock Number 5305-01-481-9473, 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 15 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-481-9473 |
| Primary Part Number | TX1026V3-25A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Fastener Length | 1.908 INCHES NOMINAL IN |
| Thread Length | 0.345 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.563 INCHES NOMINAL IN |
| Grip Diameter | 0.189 INCHES NOMINAL IN |
| Internal Drive Style | TORX |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.345 INCHES MINIMUM AND 0.352 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 | Y |
| Part Number | Manufacturer |
|---|---|
| GS1006V3-25A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| TX1026V3-25A PRIMARY | Hi-Shear Corporation (USA) |
| 11827V3-25A | Reid Products Inc. Dba Reid Products Inc (USA) |
| TX1026V3-25A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1026V3-25A | Howmet Global Fastening Systems Inc (USA) |
| TX1026V3-25A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| TX1026V3-25A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| 3M1169V3-25A PRIMARY | The Boeing Company Div Defense (USA) |
| TX1026V3-25A PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1026V3-25A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| TX1026V3-25A | 3/2 Design control — primary reference U.S. Government activity |
| TX1026V3-25A | 5/9 Secondary reference Sps Technologies Inc |
NSN 5305-01-481-9473 is a Screw,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-481-9473 has 10 manufacturer part numbers on file: GS1006V3-25A (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), TX1026V3-25A (Hi-Shear Corporation), 11827V3-25A (Reid Products Inc. Dba Reid Products Inc), TX1026V3-25A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), TX1026V3-25A (Howmet Global Fastening Systems Inc) and 5 more.
Key specifications for TX1026V3-25A: Fastener Length: 1.908 INCHES NOMINAL IN; Thread Length: 0.345 INCHES NOMINAL IN; Criticality Code Justification: AGAV; Nominal Thread Diameter: 0.190 INCHES IN. 15 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.