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National Stock Number:
5306-01-455-3780
Federal Supply Class:
5306
National Item Identification Number:
014553780
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:
| 167-6404600 FIND 133 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 1.375 INCHES | | THREAD QUANTITY PER INCH | 6 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.770 INCHES NOMINAL | | FASTENER LENGTH | 6.590 INCHES NOMINAL | | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FORM 2 COND ANL,AH,FIN-A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | HEAD HEIGHT | 1.320 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.812 INCHES MINIMUM AND | | 1.875 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 2.250 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.250 INCHES NOMINAL | | LOCKING FEATURE | PELLET THREADS | | POINT STYLE | FLAT | | POINT DIAMETER | 1.134 INCHES MINIMUM AND | | 1.144 INCHES MAXIMUM | | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 | | FIRST DIAMETER FROM HEAD | 1.370 INCHES MINIMUM AND | | 1.380 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 1.499 INCHES MINIMUM AND | | 1.500 INCHES MAXIMUM | | THIRD DIAMETER FROM HEAD | 1.375 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.060 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 4.940 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 6.590 INCHES NOMINAL |
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