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National Stock Number:
5306-00-122-4794
Federal Supply Class:
5306
National Item Identification Number:
001224794
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:
| 175185-2 | 17772 | AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC | | 175185-2 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.563 INCHES NOMINAL FIRST HOLE | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 2.312 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.063 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 2.375 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 | | FASTENER LENGTH | 2.688 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.422 INCHES NOMINAL | | HEAD HEIGHT | 0.156 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SECOND DIAMETER FROM HEAD | 0.498 INCHES NOMINAL | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL FIRST HOLE | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL | | SURFACE TREATMENT | CHROMIUM GRIP | | SURFACE TREATMENT | CADMIUM HEAD | | SURFACE TREATMENT | CADMIUM THREADS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THIRD DIAMETER FROM HEAD | 0.422 INCHES NOMINAL | | THREAD LENGTH | 0.313 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF |
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