The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-669-1902, 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 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-669-1902 |
| Primary Part Number | AES01F375A75WA23A1 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Head Height | 0.234 INCHES NOMINAL IN |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTM F1941,TYPE 8B ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.0000 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM IN |
| Hardness Rating | 25.0 ROCKWELL C NOMINAL OVERALL |
| Material Document and Classification | SAE J429,GRADE 5 CARBON STEEL NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.3750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B18.24-2015 NATIONAL STD/SPEC |
| Width Between Flats | 0.5625 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| AES01F375A75WA23A1 PRIMARY | The American Society of Mechanical Engineers (USA) |
| 91247A221 | Mcmaster-Carr Supply Co (USA) |
NSN 5305-01-669-1902 is a Screw,cap,hexagon Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-669-1902 has 2 manufacturer part numbers on file: AES01F375A75WA23A1 (The American Society of Mechanical Engineers), 91247A221 (Mcmaster-Carr Supply Co).
Key specifications for AES01F375A75WA23A1: Head Height: 0.234 INCHES NOMINAL IN; Fastener Length: 1.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTM F1941,TYPE 8B ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.0000 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM IN. 17 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.