The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-593-3317, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-593-3317 |
| Primary Part Number | AES07M407020WC1GP1 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Head Height | 2.8 MILLIMETERS NOMINAL MM |
| Fastener Length | 20.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.7 |
| Thread Length | 20.0 MILLIMETERS NOMINAL MM |
| Hardness Rating | 21.0 ROCKWELL C MINIMUM OVERALL |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 7.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC OVERALL |
| Minimum Tensile Strength | 116000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 6H |
| Material | STEEL PROPERTY CLASS 8.8 OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| AES07M407020WC1GP1 PRIMARY | The American Society of Mechanical Engineers (USA) |
| 91280A140 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5305-01-593-3317 is a Screw,cap,hexagon Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-593-3317 has 2 manufacturer part numbers on file: AES07M407020WC1GP1 (The American Society of Mechanical Engineers), 91280A140 (Mcmaster-Carr Supply Co).
Key specifications for AES07M407020WC1GP1: Head Height: 2.8 MILLIMETERS NOMINAL MM; Fastener Length: 20.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.7; Thread Length: 20.0 MILLIMETERS NOMINAL MM. 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.