The Screw,machine, cataloged under National Stock Number 5305-01-596-3725, 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 | 5305-01-596-3725 |
| Primary Part Number | AESF5C112312WA2A26 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Head Height | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Bearing Surface of Head Surface Treatment Document and Classification | ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE |
| Screw Surface Treatment | ZINC |
| Fastener Length | 0.312 INCHES NOMINAL IN |
| Screw Material Document and Classification | SAEJ429, GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE |
| Bearing Surface of Head Surface Treatment | ZINC |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Surface Treatment | ZINC |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Head Surface Treatment Document and Classification | ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 2 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| AESF5C112312WA2A26 PRIMARY | The American Society of Mechanical Engineers (USA) |
NSN 5305-01-596-3725 is a Screw,machine, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-596-3725 has 1 manufacturer part number on file: AESF5C112312WA2A26 (The American Society of Mechanical Engineers).
Key specifications for AESF5C112312WA2A26: Head Height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Bearing Surface of Head Surface Treatment Document and Classification: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE; Screw Surface Treatment: ZINC; Fastener Length: 0.312 INCHES NOMINAL IN. 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.