The Screw,machine, cataloged under National Stock Number 5305-00-290-0746, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Smith and Smith Aircraft Co. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-290-0746 |
| Primary Part Number | WEE1-108 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Smith and Smith Aircraft Co |
| Status | ACTIVE |
| Head Height | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 0.562 INCHES NOMINAL IN |
| Thread Length | 0.562 INCHES MAXIMUM IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 4037 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.207 INCHES MINIMUM AND 0.227 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 |
|---|---|
| WEE1-108 PRIMARY | Smith and Smith Aircraft Co (USA) |
NSN 5305-00-290-0746 is a Screw,machine, manufactured by Smith and Smith Aircraft Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-290-0746 has 1 manufacturer part number on file: WEE1-108 (Smith and Smith Aircraft Co).
Key specifications for WEE1-108: Head Height: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Screw Surface Treatment: CADMIUM; Fastener Length: 0.562 INCHES NOMINAL IN; Thread Length: 0.562 INCHES MAXIMUM IN. 14 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.