The Screw Assembly,panel, cataloged under National Stock Number 5305-01-375-7156, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-375-7156 |
| Primary Part Number | CA30093-4 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Width Across Flats | 0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Head Height | 0.240 INCHES NOMINAL IN |
| Fastener Length | 1.572 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | QQ-W-423 COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE FASTENER |
| Surface Treatment | PASSIVATE STAND-OFF |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 302 SPRING |
| Material | IRON ALLOY 660 FASTENER |
| Material | IRON ALLOY 660 STAND-OFF |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| CA30093-4 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 7103655-001 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-375-7156 is a Screw Assembly,panel, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-375-7156 has 1 manufacturer part number on file: CA30093-4 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA30093-4: Width Across Flats: 0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Head Height: 0.240 INCHES NOMINAL IN; Fastener Length: 1.572 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER. 21 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.