The Bolt,machine, cataloged under National Stock Number 5306-00-639-4906, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-639-4906 |
| Primary Part Number | ASME B18.2.1 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | CANCELLED |
| Fastener Length | 9.820 INCHES MINIMUM AND 10.120 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Width Between Flats | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Length | 1.500 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Quantity Per Inch | 13 |
| Thread Class | 2A A |
| Head Style | SQUARE |
| Material Document and Classification | SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Height | 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-062-2711 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ASME B18.2.1 | The American Society of Mechanical Engineers (USA) |
| B18.2.1 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| MS35355-143 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5306-00-639-4906 is a Bolt,machine, manufactured by The American Society of Mechanical Engineers, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-639-4906 has 3 cross-referenced part numbers: ASME B18.2.1 (The American Society of Mechanical Engineers), B18.2.1 (American National Standards Institute Incorporated Dba American National Standards Institute), MS35355-143 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5306-00-639-4906: 5306-00-050-1239, 5306-00-062-2711, 5306-00-226-4824 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for ASME B18.2.1: Fastener Length: 9.820 INCHES MINIMUM AND 10.120 INCHES MAXIMUM IN; Surface Treatment: ZINC OVERALL; Thread Direction: RIGHT-HAND; Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-639-4906 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.