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National Stock Number:
5306-00-303-1359
Federal Supply Class:
5306
National Item Identification Number:
003031359
Description:
BOLT,EXTERNALLY RELIEVED BODY
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.
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Manufacturer Information:
| 139363 | 0AHP5 | CURTISS-WRIGHT CONTROLS, INC. | | 139363 | 15555 | CURTISS-WRIGHT CORP |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES MINIMUM AND | | 0.810 INCHES MAXIMUM | | FASTENER LENGTH | 2.930 INCHES NOMINAL | | HEAD DIAMETER | 2.283 INCHES MINIMUM AND | | 2.285 INCHES MAXIMUM | | HEAD HEIGHT | 0.580 INCHES NOMINAL | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.790 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.096 INCHES MINIMUM AND | | 0.103 INCHES MAXIMUM FIRST HOLE | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.282 INCHES MINIMUM AND | | 0.292 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 2.120 INCHES MINIMUM AND | | 2.180 INCHES MAXIMUM | | SPECIAL FEATURES | COUNTERSUNK HOLE IN POINT AND HEAD;TWO HOLES IN THREADED AREA 0.063 COM BINATION DRILL 60 DEGREES COUNTERSUNK TO 0.130-0.170 DIA; HEAD CHAMFER 0.100 IN NOM,INDENTED 0.940-0.980 IN.DIA TOP OF HEAD; SIDES OF HEAD RELIEVED 0.250 IN.LG,EXTENDED PORTION OF HEAD 0.100 IN.LG. | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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