The Screw Assembly,panel, cataloged under National Stock Number 5305-01-079-6570, 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 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-079-6570 |
| Primary Part Number | CA2440-3-10P |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Head Height | 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN |
| Fastener Length | 0.609 INCHES MINIMUM AND 0.641 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 SPRING |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| Thread Length | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | KNURLED NO. 6 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE FASTENER |
| Surface Treatment | PASSIVATE STAND-OFF |
| Surface Treatment | PASSIVATE SPRING |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING FASTENER |
| Material | STEEL CORROSION RESISTING STAND-OFF |
| Material | STEEL CORROSION RESISTING SPRING |
| Thread Series Designator | UNF |
| Head Diameter | 0.295 INCHES MINIMUM AND 0.325 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 |
|---|---|
| CA2440-3-10P PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 389498-6 | 5/9 Secondary reference L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| CA2405-10P | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5305-01-079-6570 is a Screw Assembly,panel, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-079-6570 has 1 manufacturer part number on file: CA2440-3-10P (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA2440-3-10P: Head Height: 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN; Fastener Length: 0.609 INCHES MINIMUM AND 0.641 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 SPRING. 22 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.