|
|
|
National Stock Number:
5306-00-354-6443
Federal Supply Class:
5306
National Item Identification Number:
003546443
Description:
BOLT,MACHINE
Detail:
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.
|
Manufacturer Information:
| 34-281 | 35301 | DRESSER INDUSTRIES INC LEROI DIV |
|
Techincal Specification:
| DISTANCE FROM CENTERLINE TO FLAT | 0.250 INCHES NOMINAL | | FASTENER LENGTH | 2.875 INCHES NOMINAL | | FEATURES PROVIDED | UNFINISHED HEAD | | HEAD DIAMETER | 0.688 INCHES NOMINAL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | HEAD STYLE | DEE CHAMFER | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL | | MINIMUM YIELD STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SPECIAL FEATURES | SHANK DIA 0.435 IN. 1.438IN FROM HEAD TO THREAD REST OF SHANNK HAS 0.438 FROM HEAD 1.438 IN LG | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 20 |
|
|