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National Stock Number:
5306-01-035-2289
Federal Supply Class:
5306
National Item Identification Number:
010352289
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:
| 355-0131-00 | 80009 | TEKTRONIX, 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 | 0.180 INCHES NOMINAL | | FASTENER LENGTH | 0.450 INCHES NOMINAL | | MATERIAL | COPPER ALLOY 360 OVERALL | | SURFACE TREATMENT | NICKEL AND | | CHROMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B456 ASSN STD ALL TREATMENT RESPONSES OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.100 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.370 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.185 INCHES MINIMUM AND | | 0.203 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.150 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.260 INCHES MINIMUM AND | | 0.280 INCHES MAXIMUM | | SPECIAL FEATURES | THREADED CONCETRIC HOLE IN HEAD 0.164-32 UNC 2B BY 0.125 IN. MIN DEEP. 0.161 IN. DIA CONCENTRIC HOLE IN THREADED END 0.400 IN LG |
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