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National Stock Number:
5306-01-158-3875
Federal Supply Class:
5306
National Item Identification Number:
011583875
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:
| 141C2905 P1 | 04241 | BECHTEL MARINE PROPULSION CORPORATION DBA KNOLLS ATOMIC POWER LABORATORY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UN | | NOMINAL THREAD DIAMETER | 1.125 INCHES | | THREAD QUANTITY PER INCH | 8 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.550 INCHES MINIMUM AND | | 1.590 INCHES MAXIMUM | | FASTENER LENGTH | 4.230 INCHES MINIMUM AND | | 4.270 INCHES MAXIMUM | | MATERIAL | NICKEL ALLOY OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 1.668 INCHES MINIMUM AND | | 1.688 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.935 INCHES MINIMUM AND | | 0.945 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 2.680 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 4.230 INCHES MINIMUM AND | | 4.270 INCHES MAXIMUM | | SPECIAL FEATURES | THE BOLT IS A CASTELLATED HEX HEAD,8 SLOTS EQUALLY SPACED AT 0.286 INCHES APART | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | CRITICALITY CODE JUSTIFICATION | ZZZY | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 04241 | | DESIGN CONTROL REFERENCE | 141C2905 P1 |
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