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National Stock Number:
5306-01-385-2274
Federal Supply Class:
5306
National Item Identification Number:
013852274
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:
| 912G0203 | 56672 | SYN-TECH SYSTEM, INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.280 INCHES NOMINAL | | FASTENER LENGTH | 0.990 INCHES MINIMUM AND | | 1.010 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 OR | | STEEL COMP 4340 OVERALL | | HEAD STYLE | PAN | | HEAD DIAMETER | 0.350 INCHES NOMINAL | | HEAD HEIGHT | 0.100 INCHES NOMINAL | | LOCKING FEATURE | SLOTTED HEAD | | HOLE CONFIGURATION STYLE | ROUND | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 1 | | HOLE DIAMETER | 0.252 INCHES MINIMUM AND | | 0.256 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.610 INCHES NOMINAL GRIP | | SHANK UNTHREADED HOLE DIAMETER | 0.665 INCHES NOMINAL GRIP | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
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