The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-668-7013, 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 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-668-7013 |
| Primary Part Number | AESZFM08B040WC15A1 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Extended Washer Thickness | 1.20 MILLIMETERS MINIMUM MM |
| Head Height | 8.5 MILLIMETERS MAXIMUM MM |
| Fastener Length | 40.0 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | ASTM F1941,TYPE 8C ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 17.00 MILLIMETERS MAXIMUM MM |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 22.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | ISO898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B18.24-2015 NATIONAL STD/SPEC |
| Width Between Flats | 9.64 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL PROPERTY CLASS 8.8 OVERALL |
| 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 |
|---|---|
| AESZFM08B040WC15A1 PRIMARY | The American Society of Mechanical Engineers (USA) |
NSN 5305-01-668-7013 is a Screw,cap,hexagon Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-668-7013 has 1 manufacturer part number on file: AESZFM08B040WC15A1 (The American Society of Mechanical Engineers).
Key specifications for AESZFM08B040WC15A1: Extended Washer Thickness: 1.20 MILLIMETERS MINIMUM MM; Head Height: 8.5 MILLIMETERS MAXIMUM MM; Fastener Length: 40.0 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: ASTM F1941,TYPE 8C ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 16 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.