The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-646-6860, 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 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-646-6860 |
| Primary Part Number | AES43M08B016CZ7A31 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Fastener Length | 16.0 MILLIMETERS NOMINAL MM |
| Head Style | HEXAGON |
| Surface Treatment | ZINC OVERALL |
| 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 |
|---|---|
| AES43M08B016CZ7A31 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| B18.24 | 5/1 Secondary reference The American Society of Mechanical Engineers |
| B1831DH080016N | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-646-6860 is a Screw,cap,hexagon Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-646-6860 has 1 manufacturer part number on file: AES43M08B016CZ7A31 (The American Society of Mechanical Engineers).
Key specifications for AES43M08B016CZ7A31: Fastener Length: 16.0 MILLIMETERS NOMINAL MM; Head Style: HEXAGON; Special Features: CAGE 80204 IS OEM; Surface Treatment: ZINC OVERALL. 3 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.