The Screw,close Tolerance, cataloged under National Stock Number 5305-01-476-9124, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-476-9124 |
| Primary Part Number | TX1026V4-3A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Fastener Length | 0.613 INCHES NOMINAL IN |
| Thread Length | 0.425 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.188 INCHES NOMINAL 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 | 0.470 INCHES MINIMUM AND 0.477 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 |
|---|---|
| 3M1169V4-3A | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M1169V4-3A | Heartland Precision Fasteners Inc (USA) |
| TX1026V4-3A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TX1026V4-3A PRIMARY | Hi-Shear Corporation (USA) |
| WC1169V4-3A | West Coast Aerospace, Inc. (USA) |
| TX1026V4-3A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M1169V4-3A | Houston Precision Fasteners I Lp (USA) |
| TX1026V4-3A | Howmet Global Fastening Systems Inc (USA) |
| TX1026V4-3A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1026V4-3A | Huck International, Inc (USA) |
| 3M1169V4-3A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GS1006V4-3A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M1169V4-3A | Saturn Fasteners Inc (USA) |
| TX1026V4-3A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 11827V4-3A | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1169V4-3A PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| TX1026V4-3A | 5/9 Secondary reference Sps Technologies Inc |
| TX1026V4-3A | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-476-9124 is a Screw,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-476-9124 has 16 manufacturer part numbers on file: 3M1169V4-3A (Fastener Innovation Technology, Inc. Dba F I T), 3M1169V4-3A (Heartland Precision Fasteners Inc), TX1026V4-3A (Fairchild Fasteners Europe - Vsd Gmbh), TX1026V4-3A (Hi-Shear Corporation), WC1169V4-3A (West Coast Aerospace, Inc.) and 11 more.
Key specifications for TX1026V4-3A: Fastener Length: 0.613 INCHES NOMINAL IN; Thread Length: 0.425 INCHES NOMINAL IN; Criticality Code Justification: AGAV; Nominal Thread Diameter: 0.250 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.