NSN 5306-00-042-6921
Part Details | MACHINE BOLT
5306-00-042-6921 An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
Alternate Parts: B18.2.1, ASME B18.2.1, 426921, FFB575, FF-B-575, 426921, 426921, FFB575 TY1, FF-B-575 TY1, MS353555, MS35355-5, MS35190291, MS35190-291, 5306-00-042-6921, 00-042-6921, 5306000426921, 000426921
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-042-6921 | 01847 ( BOLT, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5306-00-042-6921
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| B18.2.1 | 80204 | AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED |
| ASME B18.2.1 | 05047 | AMERICAN SOCIETY OF MECHANICALENGINEERS, THE |
| 426921 | 21450 | ARMY WEAPONS COMMANDATTN AMSWE-REE-S |
| FF-B-575 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 426921 | 24617 | GENERAL MOTORS CORP |
| 426921 | 7X677 | GENERAL MOTORS LLCDBA GENERAL MOTORS |
| FF-B-575 TY1 | 80244 | GENERAL SERVICES ADMINISTRATIONFEDERAL SUPPLY SERVICE |
| MS35355-5 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS35190-291 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
Technical Data | NSN 5306-00-042-6921
| Characteristic | Specifications |
|---|---|
| HEAD STYLE | 3 HEXAGON |
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES MINIMUM |
| FASTENER LENGTH | 2.000 INCHES NOMINAL |
| HEAD HEIGHT | 0.172 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL |
| FEATURES PROVIDED | UNFINISHED HEAD |
| SPECIFICATION/STANDARD DATA | 05047-ASME B18.2.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
