The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-643-2941, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-643-2941 |
| Primary Part Number | AES10M06A040WB4K42 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Special Test Features | FEATURES: HEADER POINT,TYPE F FILLET |
| Thread Length | 40.00 MILLIMETERS NOMINAL MM |
| Supplementary Features | ELECTRODEPOSITED COATINGS ON THREADED FASTENERS;ASTM F 1941M,ZINC NICKEL ALLOY (FE/NZ-NI) TYPE 5F |
| Thread Series Designator | M |
| 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 |
|---|---|
| AES10M06A040WB4K42 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| B18.2.3.4M | 5/1 Secondary reference The American Society of Mechanical Engineers |
NSN 5305-01-643-2941 is a Screw,cap,hexagon Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-643-2941 has 1 manufacturer part number on file: AES10M06A040WB4K42 (The American Society of Mechanical Engineers).
Key specifications for AES10M06A040WB4K42: Special Test Features: FEATURES: HEADER POINT,TYPE F FILLET; Thread Length: 40.00 MILLIMETERS NOMINAL MM; Supplementary Features: ELECTRODEPOSITED COATINGS ON THREADED FASTENERS;ASTM F 1941M,ZINC NICKEL ALLOY (FE/NZ-NI) TYPE 5F; Part Name Assigned by Controlling Agency: SCREW, HEX FLANGE. 4 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.