The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-731-1256, 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 16 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 | 5305-01-731-1256 |
| Primary Part Number | AES46M08B020DG6QX1 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Width Across Flats | 8.025 MILLIMETERS MINIMUM AND 8.115 MILLIMETERS MAXIMUM MM |
| Head Height | 4.05 MILLIMETERS MINIMUM AND 4.40 MILLIMETERS MAXIMUM MM |
| Fastener Length | 20.0 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | UNABLE TO DECODE |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 20.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | UNABLE TO DECODE |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-AMSE B18.24-2023 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | UNABLE TO DECODE |
| Internal Drive Style | HEXAGON |
| Material | UNABLE TO DECODE |
| Thread Series Designator | M |
| Head Diameter | 13.57 MILLIMETERS MINIMUM AND 14.00 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| AES46M08B020DG6QX1 PRIMARY | The American Society of Mechanical Engineers (USA) |
NSN 5305-01-731-1256 is a Screw,cap,socket Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-731-1256 has 1 manufacturer part number on file: AES46M08B020DG6QX1 (The American Society of Mechanical Engineers).
Key specifications for AES46M08B020DG6QX1: Width Across Flats: 8.025 MILLIMETERS MINIMUM AND 8.115 MILLIMETERS MAXIMUM MM; Head Height: 4.05 MILLIMETERS MINIMUM AND 4.40 MILLIMETERS MAXIMUM MM; Fastener Length: 20.0 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: UNABLE TO DECODE. 16 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.