The Screw,close Tolerance, cataloged under National Stock Number 5305-01-477-1282, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-477-1282 |
| Primary Part Number | TX1026V4-22A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.110 INCHES NOMINAL IN |
| Fastener Length | 1.800 INCHES NOMINAL IN |
| Thread Length | 0.106 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.690 INCHES NOMINAL IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE II |
| 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 0.497 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 |
|---|---|
| TX1026V4-22A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TX1026V4-22A PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 11827V4-22A | Reid Products Inc. Dba Reid Products Inc (USA) |
| TX1026V4-22A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1026V4-22A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1026V4-22A PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| TX1026V4-22A PRIMARY | Hi-Shear Corporation (USA) |
| GS1006V4-22A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M1169V4-22A PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| TX1026V4-22A | 5/9 Secondary reference Sps Technologies Inc |
| TX1026V4-22A | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-477-1282 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-477-1282 has 9 manufacturer part numbers on file: TX1026V4-22A (Fairchild Fasteners Europe - Vsd Gmbh), TX1026V4-22A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 11827V4-22A (Reid Products Inc. Dba Reid Products Inc), TX1026V4-22A (Sps Technologies, Llc Dba PB Fasteners), TX1026V4-22A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 4 more.
Key specifications for TX1026V4-22A: Head Height: 0.110 INCHES NOMINAL IN; Fastener Length: 1.800 INCHES NOMINAL IN; Thread Length: 0.106 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN. 16 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.