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National Stock Number:
5306-00-011-2645
Federal Supply Class:
5306
National Item Identification Number:
000112645
Description:
BOLT,ECCENTRIC HEAD
Detail:
AN EXTERNALLY THREADED FASTENER THE HEAD OF WHICH IS USUALLY FLAT WITH A PERIPHERY NOT CONCENTRIC TO THE BOLT SHANK. THE HEAD IS NOT DESIGNED FOR WRENCHING. IT MAY HAVE A DRIVE FEATURE LOCATED AT THE THREADED END, WHICH CAN BE USED TO ROTATE THE SCREW AND ECCENTRIC HEAD INTO A LOCKING POSITION TO SECURE A FLANGED OR GROOVE COMPONENT.
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Manufacturer Information:
| 597778 | 77445 | RTX CORPORATION | | 597778 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 0.625 INCHES MINIMUM AND | | 0.645 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.480 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | HEAD HEIGHT | 0.130 INCHES MINIMUM AND | | 0.150 INCHES MAXIMUM | | DISTANCE FROM CENTERLINE TO FLAT | 0.123 INCHES MINIMUM AND | | 0.124 INCHES MAXIMUM | | DISTANCE FROM CENTER OF HEAD TO CENTER OF SHANK | 0.124 INCHES NOMINAL | | SHANK UNTHREADED HOLE DIAMETER | 0.065 INCHES MINIMUM AND | | 0.072 INCHES MAXIMUM FIRST HOLE |
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