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National Stock Number:
5306-01-156-5101
Federal Supply Class:
5306
National Item Identification Number:
011565101
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:
| 708-4674145 ITEM 9 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 87553-1502 ITEM 9 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.000 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 5.500 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 2.130 INCHES NOMINAL | | HEAD HEIGHT | 1.750 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 400 OVERALL | | NOMINAL THREAD DIAMETER | 2.500 INCHES | | SPECIAL FEATURES | 4 HOLES 0.281 IN. DIA. DRILLED THRU WIDTH ACCROSS 2 FLATS | | WIDTH BETWEEN FLATS | 4.500 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 4.500 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 4 | | THREAD SERIES DESIGNATOR | UNC |
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