The Screw Assembly,panel, cataloged under National Stock Number 5305-01-359-6946, 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 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-359-6946 |
| Primary Part Number | CA28163-3-0575HS |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Material Accommodated Thickness | 0.150 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 302 SPRING |
| Material | IRON ALLOY 660 FASTENER |
| Material | STEEL COMP 302 SECONDARY WASHER |
| Material | STEEL CORROSION RESISTING PRIMARY WASHER |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.310 INCHES NOMINAL 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 |
|---|---|
| CA28163-3-0575HS PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 7555165-5 | 5/9 Secondary reference U.S. Government activity |
| 7555165P0005 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-359-6946 is a Screw Assembly,panel, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-359-6946 has 1 manufacturer part number on file: CA28163-3-0575HS (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA28163-3-0575HS: Material Accommodated Thickness: 0.150 INCHES NOMINAL IN; Material Document and Classification: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER. 17 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.