The Screw,close Tolerance, cataloged under National Stock Number 5305-01-465-2407, 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 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-465-2407 |
| Primary Part Number | TX1027V4-12A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Point Diameter | 0.425 INCHES NOMINAL IN |
| Fastener Length | 1.160 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN |
| Thread Length | 0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN |
| Spline Major Diameter | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Grip Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Grip Diameter | 0.249 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 | 28 |
| Material | TITANIUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.385 INCHES MINIMUM AND 0.394 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 |
|---|---|
| TX1027V4-12A PRIMARY | Hi-Shear Corporation (USA) |
| TX1027V4-12A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TX1027V4-12A PRIMARY | Huck International, Inc (USA) |
| 3M1170V4-12A PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M1170V4-12A PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| TX1027V4-12A PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 11845V4-12A PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| TX1027V4-12A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| GS1014V4-12A PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M1170V4-12A | The Boeing Company Div Defense (USA) |
| TX1027V4-12A PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| WC1170V4-12A | West Coast Aerospace, Inc. (USA) |
| 3M1170V4-12A | Houston Precision Fasteners I Lp (USA) |
| 3M1170V4-12A PRIMARY | Heartland Precision Fasteners Inc (USA) |
| 3M1170V4-12A PRIMARY | Saturn Fasteners Inc (USA) |
| TX1027V4-12A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1027V4-12A PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 11825V4-12A | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| TX1027V4-12A | 3/2 Design control — primary reference U.S. Government activity |
| TX1027V4-12A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-465-2407 is a Screw,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-465-2407 has 18 manufacturer part numbers on file: TX1027V4-12A (Hi-Shear Corporation), TX1027V4-12A (Fairchild Fasteners Europe - Vsd Gmbh), TX1027V4-12A (Huck International, Inc), 3M1170V4-12A (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 3M1170V4-12A (Fastener Innovation Technology, Inc. Dba F I T) and 13 more.
Key specifications for TX1027V4-12A: Point Diameter: 0.425 INCHES NOMINAL IN; Fastener Length: 1.160 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN; Thread Length: 0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN; Spline Major Diameter: 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM 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.