The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-593-2452, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-593-2452 |
| Primary Part Number | AES46M08B020DG6A82 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Width Across Flats | 5.0 MILLIMETERS NOMINAL MM |
| Head Height | 4.05 MILLIMETERS MINIMUM AND 4.40 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 20.0 INCHES NOMINAL IN |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 19.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC OVERALL |
| Internal Drive Style | HEXAGON |
| Material | STEEL PROPERTY CLASS 12.9 OVERALL |
| 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 |
|---|---|
| AES46M08B020DG6A82 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| B1834B08020N | 5/9 Secondary reference U.S. Government activity |
| B18.3.4M | 5/1 Secondary reference The American Society of Mechanical Engineers |
NSN 5305-01-593-2452 is a Screw,cap,socket Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-593-2452 has 1 manufacturer part number on file: AES46M08B020DG6A82 (The American Society of Mechanical Engineers).
Key specifications for AES46M08B020DG6A82: Width Across Flats: 5.0 MILLIMETERS NOMINAL MM; Head Height: 4.05 MILLIMETERS MINIMUM AND 4.40 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 20.0 INCHES NOMINAL 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.