The Screw,machine, cataloged under National Stock Number 5305-01-485-0771, 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 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-485-0771 |
| Primary Part Number | AESK8C312625AW9K86 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Screw Surface Treatment | ZINC |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Screw Material Document and Classification | ASTMA354 ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL UNS K04100 |
| Thread Quantity Per Inch | 12 |
| 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 |
|---|---|
| AESK8C312625AW9K86 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| AESK8C312625AW9A36 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| S630NA84CAG12354BNBA3 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| S630NA84CAG12354BNBA3 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-485-0771 is a Screw,machine, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-485-0771 has 1 manufacturer part number on file: AESK8C312625AW9K86 (The American Society of Mechanical Engineers).
Key specifications for AESK8C312625AW9K86: Screw Surface Treatment: ZINC; Fastener Length: 0.625 INCHES NOMINAL IN; Screw Material Document and Classification: ASTMA354 ASSN STD SINGLE MATERIAL RESPONSE; Nominal Thread Diameter: 0.312 INCHES IN. 8 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.