The Screw,close Tolerance, cataloged under National Stock Number 5305-01-465-2452, 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 18 specifications, cited from the U.S. Government catalog. The record lists 17 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-465-2452 |
| Primary Part Number | TX1027V5-12A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Point Diameter | 0.469 INCHES NOMINAL IN |
| Fastener Length | 0.469 INCHES NOMINAL IN |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Spline Major Diameter | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | COUNTERSUNK CYLINDRICAL CONVEX |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Grip Length | 0.750 INCHES NOMINAL IN |
| Grip Diameter | 0.312 INCHES NOMINAL IN |
| Internal Drive Style | TORX |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.473 INCHES NOMINAL IN |
| Head Diameter | 0.015 INCHES NOMINAL 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 |
|---|---|
| TX1027V5-12A PRIMARY | Hi-Shear Corporation (USA) |
| 3M1170V5-12A PRIMARY | Heartland Precision Fasteners Inc (USA) |
| TX1027V5-12A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M1170V5-12A PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M1170V5-12A PRIMARY | Houston Precision Fasteners I Lp (USA) |
| TX1027V5-12A PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 11825V5-12A | Reid Products Inc. Dba Reid Products Inc (USA) |
| GS1014V5-12A PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 11845V5-12A PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| TX1027V5-12A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1027V5-12A PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M1170V5-12A PRIMARY | Saturn Fasteners Inc (USA) |
| WC1170V5-12A PRIMARY | West Coast Aerospace, Inc. (USA) |
| 3M1170V5-12A PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| TX1027V5-12A PRIMARY | Huck International, Inc (USA) |
| TX1027V5-12A PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1027V5-12A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| TX1027V5-12A | 3/2 Design control — primary reference U.S. Government activity |
| TX1027V5-12A | 5/9 Secondary reference Sps Technologies Inc |
| 3M1170V5-12A | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| TX1027V5-12A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-465-2452 is a Screw,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-465-2452 has 17 manufacturer part numbers on file: TX1027V5-12A (Hi-Shear Corporation), 3M1170V5-12A (Heartland Precision Fasteners Inc), TX1027V5-12A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 3M1170V5-12A (Fastener Innovation Technology, Inc. Dba F I T), 3M1170V5-12A (Houston Precision Fasteners I Lp) and 12 more.
Key specifications for TX1027V5-12A: Point Diameter: 0.469 INCHES NOMINAL IN; Fastener Length: 0.469 INCHES NOMINAL IN; Thread Length: 0.312 INCHES NOMINAL IN; Spline Major Diameter: 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN. 18 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.