The Screw,close Tolerance, cataloged under National Stock Number 5305-01-475-3195, 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 21 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-475-3195 |
| Primary Part Number | TX1027V3-3A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Head Height | 0.046 INCHES NOMINAL IN |
| Fastener Length | 0.518 INCHES MINIMUM AND 0.548 INCHES MAXIMUM IN |
| Thread Length | 0.345 INCHES NOMINAL IN |
| Material Document and Classification | NAS4004 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spline Major Diameter | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.188 INCHES NOMINAL IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM 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 ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.2931 INCHES MINIMUM AND 0.3016 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 |
|---|---|
| 3M1170V3-3A | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| 3M1170V3-3A | The Boeing Company Div Defense (USA) |
| 3M1170V3-3A | Heartland Precision Fasteners Inc (USA) |
| TX1027V3-3A | Linread Northbridge (aircraft Product Division) (GBR) |
| 3M1170V3-3A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| TX1027V3-3A | Colgate-Palmolive (uk) Ltd (GBR) |
| TX1027V3-3A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M1170V3-3A | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| TX1027V3-3A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TX1027V3-3A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1027V3-3A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1027V3-3A PRIMARY | Hi-Shear Corporation (USA) |
| 3M1170V3-3A | Saturn Fasteners Inc (USA) |
| GS1014V3-3A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| WC1170V3-3A | West Coast Aerospace, Inc. (USA) |
| 11825V3-3A | Reid Products Inc. Dba Reid Products Inc (USA) |
| TX1027V3-3A | Howmet Global Fastening Systems Inc (USA) |
| 11845V3-3A | Reid Products Inc. Dba Reid Products Inc (USA) |
| TX1027V3-3A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1027V3-3A | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| TX1027V3-3A | 5/2 Secondary reference U.S. Government activity |
| TX1027V3-3A | 5/2 Secondary reference U.S. Government activity |
| TX1027V3-3A | 5/9 Secondary reference Sps Technologies Inc |
NSN 5305-01-475-3195 is a Screw,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-475-3195 has 21 manufacturer part numbers on file: 3M1170V3-3A (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc), 3M1170V3-3A (The Boeing Company Div Defense), 3M1170V3-3A (Heartland Precision Fasteners Inc), TX1027V3-3A (Linread Northbridge (aircraft Product Division)), 3M1170V3-3A (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 16 more.
Key specifications for TX1027V3-3A: Head Height: 0.046 INCHES NOMINAL IN; Fastener Length: 0.518 INCHES MINIMUM AND 0.548 INCHES MAXIMUM IN; Thread Length: 0.345 INCHES NOMINAL IN; Material Document and Classification: NAS4004 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.