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National Stock Number:
5306-01-021-2532
Federal Supply Class:
5306
National Item Identification Number:
010212532
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:
| 381555 | 89305 | SIMMONDS PRECISION PRODUCTS INC |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.070 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.312 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.040 INCHES NOMINAL | | FASTENER LENGTH | 0.330 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.145 INCHES NOMINAL | | HEAD DIAMETER | 0.212 INCHES NOMINAL | | HEAD HEIGHT | 0.170 INCHES NOMINAL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SPECIAL FEATURES | KNURLED HEAD | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD LENGTH | 0.260 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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