The Screw,machine, cataloged under National Stock Number 5305-01-613-2451, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-613-2451 |
| Primary Part Number | AESD4F190875GM7A81 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Head Height | 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN |
| Screw Surface Treatment | ZINC |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Thread Length | 0.875 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | OVAL |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNF |
| Head Diameter | 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | ASTM F1941 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 |
|---|---|
| AESD4F190875GM7A81 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| B18.6.3 | 5/1 Secondary reference U.S. Government activity |
| B18.24-2004 | 5/1 Secondary reference U.S. Government activity |
NSN 5305-01-613-2451 is a Screw,machine, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-613-2451 has 1 manufacturer part number on file: AESD4F190875GM7A81 (The American Society of Mechanical Engineers).
Key specifications for AESD4F190875GM7A81: Head Height: 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN; Screw Surface Treatment: ZINC; Fastener Length: 0.875 INCHES NOMINAL IN; Thread Length: 0.875 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.