The Screw,machine, cataloged under National Stock Number 5305-01-705-3157, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is W. W. Grainger, Inc.. Government technical data includes 14 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 | 5305-01-705-3157 |
| Primary Part Number | 3AWG2 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | W. W. Grainger, Inc. |
| Status | ACTIVE |
| Head Height | 0.162 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Screw Material Document and Classification | ASTM FS93, ALLOY GROUP 1, DEFAULT CONDITION CW NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B18.24-2020 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.594 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 3AWG2 PRIMARY | W. W. Grainger, Inc. (USA) |
| AESF5C312500CH2A11 PRIMARY | The American Society of Mechanical Engineers (USA) |
NSN 5305-01-705-3157 is a Screw,machine, manufactured by W. W. Grainger, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-705-3157 has 2 manufacturer part numbers on file: 3AWG2 (W. W. Grainger, Inc.), AESF5C312500CH2A11 (The American Society of Mechanical Engineers).
Key specifications for 3AWG2: Head Height: 0.162 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN; Fastener Length: 0.500 INCHES NOMINAL IN; Screw Material Document and Classification: ASTM FS93, ALLOY GROUP 1, DEFAULT CONDITION CW NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.500 INCHES NOMINAL IN. 14 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.