The Screw,tapping, cataloged under National Stock Number 5305-01-681-8633, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-681-8633 |
| Primary Part Number | AES01C250500GM7D86 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.250 INCHES IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | HOT-DIP ZINC COATING PER ASTM F2329 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Nonmachine Thread Style | GIMLET POINT (TYPE A, AB OR BA) |
| Material Document and Classification | CARBON STEEL UNS G10050,060,080,090,100,110,120,130 OR 150 PER ASTM F844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | HEXAGON |
| Specification/standard Data | 05047-ASME B18.24-2015 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | ZINC OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| AES01C250500GM7D86 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| AESS1A25C500EA1M26 | 5/9 Secondary reference The American Society of Mechanical Engineers |
NSN 5305-01-681-8633 is a Screw,tapping, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-681-8633 has 1 manufacturer part number on file: AES01C250500GM7D86 (The American Society of Mechanical Engineers).
Key specifications for AES01C250500GM7D86: Nonmachine Nominal Thread Diameter: 0.250 INCHES IN; Fastener Length: 0.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: HOT-DIP ZINC COATING PER ASTM F2329 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA). 10 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.