The Screw Assembly,panel, cataloged under National Stock Number 5305-01-230-9891, 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 | 5305-01-230-9891 |
| Primary Part Number | CA28080-3-6HS |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Width Across Flats | 0.156 INCHES NOMINAL IN |
| Head Height | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Fastener Length | 0.935 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Material Accommodated Thickness | 0.062 INCHES NOMINAL IN |
| Thread Length | 0.297 INCHES MINIMUM AND 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM0.327 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5640 ASSN STD ALL MATERIAL RESPONSES AND ASTM A 582 ASSN STD ALL MATERIAL RESPONSES STAND-OFF |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES AND ASTMA 582 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 3232 |
| Material | STEEL COMP 302 SPRING |
| Material | STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L FASTENER |
| Material | STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303MA OR STEEL COMP 303PB STAND-OFF |
| Thread Series Designator | UNF |
| Head Diameter | 0.285 INCHES MINIMUM AND 0.315 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 |
|---|---|
| CA28080-3-6HS PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
NSN 5305-01-230-9891 is a Screw Assembly,panel, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-230-9891 has 1 manufacturer part number on file: CA28080-3-6HS (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA28080-3-6HS: Width Across Flats: 0.156 INCHES NOMINAL IN; Head Height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Fastener Length: 0.935 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN; Material Accommodated Thickness: 0.062 INCHES NOMINAL IN. 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.