The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-570-0645, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-570-0645 |
| Primary Part Number | AES01CA00C75WA6DG2 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Thread Length | 3.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 8 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| AES01CA00C75WA6DG2 PRIMARY | The American Society of Mechanical Engineers (USA) |
| A0031000348ZYD PRIMARY | Suburban Bolt & Supply Co (USA) |
| Reference | Meaning |
|---|---|
| A0031000348Z | 5/9 Secondary reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| B18.2.1 | 5/1 Secondary reference U.S. Government activity |
NSN 5305-01-570-0645 is a Screw,cap,hexagon Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-570-0645 has 2 manufacturer part numbers on file: AES01CA00C75WA6DG2 (The American Society of Mechanical Engineers), A0031000348ZYD (Suburban Bolt & Supply Co).
Key specifications for AES01CA00C75WA6DG2: Thread Length: 3.750 INCHES NOMINAL IN; Nominal Thread Diameter: 1.000 INCHES IN; Head Style: HEXAGON; Thread Direction: RIGHT-HAND. 7 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.