The Screw Assembly,panel, cataloged under National Stock Number 5305-01-333-0039, 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 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-333-0039 |
| Primary Part Number | CA30074-1080 |
| Item Name | Screw Assembly,panel |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Head Height | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Fastener Length | 1.760 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Accommodated Thickness | 0.030 INCHES NOMINAL IN |
| Thread Length | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OR ASTM A582 ASSN STD ALL MATERIAL RESPONSES OR IL-S-5059 MIL SPEC ALL MATERIAL RESPONSES PRIMARY WASHER |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OR ASTM A582 ASSN STD ALL MATERIAL RESPONSES OR MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES SECONDARY WASHER |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.490 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 302 SPRING |
| Material | IRON ALLOY 660 FASTENER |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 322 OR STEEL COMP 324 OR STEEL COMP 347 PRIMARY WASHER |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 322 OR STEEL COMP 324 OR STEEL COMP 347 SECONDARY WASHER |
| 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 |
|---|---|
| 867000-0017 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 867000-17 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| CA30074-1080 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 867000-17 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
| 867000-0017 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5305-01-333-0039 is a Screw Assembly,panel, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-333-0039 has 3 manufacturer part numbers on file: 867000-0017 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 867000-17 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), CA30074-1080 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA30074-1080: Head Height: 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Fastener Length: 1.760 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Accommodated Thickness: 0.030 INCHES NOMINAL IN. 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.