The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-708-6151, 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 18 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 | 5305-01-708-6151 |
| Primary Part Number | AES47M305030EA3A31 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Width Across Flats | 2.0 MILLIMETERS NOMINAL MM |
| Head Height | 1.86 MILLIMETERS NOMINAL MM |
| Fastener Length | 30.0 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | ASTM A380 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 0.5 |
| Thread Length | 30.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | ASTM F879, ALLOY GROUP 1, CONDITION CW AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 3.0 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B18.24-2020 NATIONAL STD/SPEC |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
| Thread Class | 6G G |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | M |
| Head Diameter | 5.35 MILLIMETERS MINIMUM AND 6.72 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| AES47M305030EA3A31 PRIMARY | The American Society of Mechanical Engineers (USA) |
NSN 5305-01-708-6151 is a Screw,cap,socket Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-708-6151 has 1 manufacturer part number on file: AES47M305030EA3A31 (The American Society of Mechanical Engineers).
Key specifications for AES47M305030EA3A31: Width Across Flats: 2.0 MILLIMETERS NOMINAL MM; Head Height: 1.86 MILLIMETERS NOMINAL MM; Fastener Length: 30.0 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: ASTM A380 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.