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National Stock Number:
5306-00-213-1270
Federal Supply Class:
5306
National Item Identification Number:
002131270
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:
| 20799B | 00742 | AIR PRODUCTS & CHEMICALS, INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 1.500 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.563 INCHES MINIMUM | | FASTENER LENGTH | 4.610 INCHES NOMINAL | | MATERIAL | STEEL COMP 1020 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 2.063 INCHES NOMINAL | | HEAD HEIGHT | 0.609 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | SQUARE FLATS | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 1 | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 1.375 INCHES NOMINAL | | SECOND DIAMETER FROM HEAD | 1.500 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.250 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 3.047 INCHES NOMINAL |
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