6625-01-212-1598 ABSORBER,RADIO FREQUENCY RADIATI Index 5310-01-212-1600 NUT STRIP

National Stock Number:
5306-01-212-1599

Federal Supply Class:
5306

National Item Identification Number:
012121599

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.


Manufacturer Information:
B135598-113030LOCKHEED MARTIN SIPPICAN, INC.


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.880 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH1.440 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.395 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 400 OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH40000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.500 INCHES
WIDTH BETWEEN FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.620 INCHES NOMINAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH13


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