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National Stock Number: 5306-00-503-5273
Federal Supply Class: 5306
National Item Identification Number: 005035273
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:
1304127-119 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNJF | NOMINAL THREAD DIAMETER | 1.000 INCHES | THREAD QUANTITY PER INCH | 12 | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 3.845 INCHES MINIMUM AND | | 3.875 INCHES MAXIMUM | FASTENER LENGTH | 4.125 INCHES NOMINAL | MATERIAL | STEEL COMP E4340 OVERALL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | LCP77-1061,TY 2,FCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL | HEAD STYLE | HEXAGON EXTENDED WASHER | HEAD HEIGHT | 1.225 INCHES NOMINAL | WIDTH BETWEEN FLATS | 1.052 INCHES MINIMUM AND | | 1.064 INCHES MAXIMUM | EXTENDED WASHER DIAMETER | 2.070 INCHES NOMINAL | EXTENDED WASHER THICKNESS | 0.650 INCHES NOMINAL | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | FIRST DIAMETER FROM HEAD | 1.123 INCHES MINIMUM AND | | 1.124 INCHES MAXIMUM | SECOND DIAMETER FROM HEAD | 0.998 INCHES MINIMUM AND | | 0.999 INCHES MAXIMUM | THIRD DIAMETER FROM HEAD | 0.872 INCHES MINIMUM AND | | 0.882 INCHES MAXIMUM | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 2.063 INCHES NOMINAL | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 2.620 INCHES NOMINAL | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 2.870 INCHES MINIMUM AND | | 2.900 INCHES MAXIMUM |
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