4920-00-870-3063 BRACKET,ALIGNMENT Index 5310-00-870-3076 NUT,SELF-LOCKING

National Stock Number:
5306-00-870-3071

Federal Supply Class:
5306

National Item Identification Number:
008703071

Description:
BOLT,INTERNAL WRENCHING

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.


Manufacturer Information:
12P8390-1381755LOCKHEED MARTIN CORPORATION


Techincal Specification:
FASTENER LENGTH1.790 INCHES NOMINAL
HEAD DIAMETER1.125 INCHES NOMINAL
HEAD HEIGHT0.150 INCHES NOMINAL
HEAD STYLEBINDING
INTERNAL DRIVE STYLEHEXAGON
NOMINAL THREAD DIAMETER0.375 INCHES
MATERIALSTEEL COMP 630 OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.480 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH24
WIDTH ACROSS FLATS0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM


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