5306-01-174-0514 BOLT,U Index 5306-01-174-0516 BOLT,MACHINE

National Stock Number:
5306-01-174-0515

Federal Supply Class:
5306

National Item Identification Number:
011740515

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:
1200922419200US ARMY ARDEC RDECOM


Techincal Specification:
FASTENER LENGTH1.120 INCHES NOMINAL
HEAD DIAMETER0.375 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
HEAD STYLEFLUSH
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONFF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.187 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-81562A,TY 1 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.750 INCHES NOMINAL
THREAD SERIES DESIGNATORUNRC
THREAD QUANTITY PER INCH28


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