The Screw,close Tolerance, cataloged under National Stock Number 5305-01-481-9383, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-481-9383 |
| Primary Part Number | TX1026V4-38A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Fastener Length | 2.800 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 | 2.375 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 |
|---|---|
| TX1026V4-38A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TX1026V4-38A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1026V4-38A PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| TX1026V4-38A PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1026V4-38A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| TX1026V4-38A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 11827V4-38A | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1169V4-38A PRIMARY | The Boeing Company Div Defense (USA) |
| TX1026V4-38A PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| TX1026V4-38A | 5/9 Secondary reference Sps Technologies Inc |
| TX1026V4-38A | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-481-9383 is a Screw,close Tolerance, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-481-9383 has 9 manufacturer part numbers on file: TX1026V4-38A (Fairchild Fasteners Europe - Vsd Gmbh), TX1026V4-38A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), TX1026V4-38A (Howmet Global Fastening Systems Inc), TX1026V4-38A (Sps Technologies, Llc Dba PB Fasteners), TX1026V4-38A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 4 more.
Key specifications for TX1026V4-38A: Fastener Length: 2.800 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.