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National Stock Number:
5306-01-218-8278
Federal Supply Class:
5306
National Item Identification Number:
012188278
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:
| 9502M44P01 | 07482 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.140 INCHES MINIMUM AND 1.200 INCHES MAXIMUM | | ASKEWED HEAD ANGLE | 90.0 DEGREES NOMINAL | | DISTANCE FROM CENTERLINE TO FLAT | 0.234 INCHES MINIMUM AND 0.240 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.222 INCHES MINIMUM AND 0.232 INCHES MAXIMUM | | HEAD HEIGHT | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | HEAD STYLE | DEE CHAMFER | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | HEAD CHAMFERED 45 DEGREE ANGLE WITH MIN. 0.060 BY MAX. 0.070 IN. | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.540 INCHES MINIMUM AND 0.620 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 28 |
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