The Bolt,machine, cataloged under National Stock Number 5306-01-681-7231, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-681-7231 |
| Primary Part Number | AEB02C375625CH2A11 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Head Height | 0.226 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES NOMINAL IN |
| Material Document and Classification | ASTM F593,ALLOY GROUP 1,DEFAULT CONDITION CW AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B18.24-2015 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Between Flats | 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| AEB02C375625CH2A11 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| ANSI B18.2.1 | 5/1 Secondary reference The American Society of Mechanical Engineers |
NSN 5306-01-681-7231 is a Bolt,machine, manufactured by The American Society of Mechanical Engineers, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-681-7231 has 1 manufacturer part number on file: AEB02C375625CH2A11 (The American Society of Mechanical Engineers).
Key specifications for AEB02C375625CH2A11: Head Height: 0.226 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN; Fastener Length: 0.625 INCHES NOMINAL IN; Thread Length: 0.625 INCHES NOMINAL IN; Material Document and Classification: ASTM F593,ALLOY GROUP 1,DEFAULT CONDITION CW AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL. 13 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.