The Screw Assembly,panel, cataloged under National Stock Number 5305-01-537-3407, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-537-3407 |
| Primary Part Number | CA22051-7T22-22 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Spline Minor Diameter | 0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN |
| Head Height | 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Fastener Length | 1.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MS QQ-P-35 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Accommodated Thickness | 0.687 INCHES NOMINAL IN |
| Thread Length | 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN |
| Material Document and Classification | MS5652 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spline Major Diameter | 0.350 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.678 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 21505 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORX |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| CA22051-7T22-22 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
NSN 5305-01-537-3407 is a Screw Assembly,panel, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-537-3407 has 1 manufacturer part number on file: CA22051-7T22-22 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA22051-7T22-22: Spline Minor Diameter: 0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN; Head Height: 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN; Fastener Length: 1.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: MS QQ-P-35 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.