The Screw,machine, cataloged under National Stock Number 5305-01-696-9919, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is West Coast Aerospace, Inc.. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-696-9919 |
| Primary Part Number | NAS1790C4-5AX |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | West Coast Aerospace, Inc. |
| Status | ACTIVE |
| Head Height | 0.111 INCHES NOMINAL IN |
| Fastener Length | 0.7225 INCHES MINIMUM AND 0.7525 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS 5731,5732,5737 OR 5853 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.425 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.2500 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1790 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Screw Material | STEEL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.506 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 |
|---|---|
| NAS1790C4-5AX | West Coast Aerospace, Inc. (USA) |
| NAS1790C4-5AX | Federal Manufacturing Corp (USA) |
| NAS1790C4-5AX | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| NAS1790C4-5AX | Hi-Shear Corporation (USA) |
| NAS1790C4-5AX | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| NAS1790C4-5AX | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| NAS1790C4-5AX | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| NAS1790C4-5AX | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| NAS1790C4-5AX | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| NAS1790C4-5AX | Huck International, Inc (USA) |
| NAS1790C4-5AX | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| NAS1790C4-5AX | 5/9 Secondary reference Voi-Shan/chatsworth Div of Vsi Corp Sub of Fairchild Industries Inc |
| NAS1790C4-5AX | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-696-9919 is a Screw,machine, manufactured by West Coast Aerospace, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-696-9919 has 11 manufacturer part numbers on file: NAS1790C4-5AX (West Coast Aerospace, Inc.), NAS1790C4-5AX (Federal Manufacturing Corp), NAS1790C4-5AX (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), NAS1790C4-5AX (Hi-Shear Corporation), NAS1790C4-5AX (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 6 more.
Key specifications for NAS1790C4-5AX: Head Height: 0.111 INCHES NOMINAL IN; Fastener Length: 0.7225 INCHES MINIMUM AND 0.7525 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS 5731,5732,5737 OR 5853 ASSN STD SINGLE MATERIAL RESPONSE; Thread Length: 0.425 INCHES NOMINAL IN. 15 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.