The Setscrew, cataloged under National Stock Number 5305-01-437-4588, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is North Wind Test Llc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-437-4588 |
| Primary Part Number | 305676-001 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | North Wind Test Llc |
| Status | ACTIVE |
| Point Diameter | 0.4986 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM IN |
| Width Across Flats | 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Head Height | 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Point Length | 5.125 INCHES NOMINAL IN |
| Fastener Length | 6.615 INCHES MINIMUM AND 6.635 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Point Style | DOG |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL UNS K03104 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.921 INCHES MINIMUM AND 0.938 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 |
|---|---|
| 305676-001 PRIMARY | North Wind Test Llc (USA) |
NSN 5305-01-437-4588 is a Setscrew, manufactured by North Wind Test Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-437-4588 has 1 manufacturer part number on file: 305676-001 (North Wind Test Llc).
Key specifications for 305676-001: Point Diameter: 0.4986 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM IN; Width Across Flats: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN; Head Height: 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Point Length: 5.125 INCHES NOMINAL IN. 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.