3130-01-189-2050 HOUSING,BEARING UNIT Index 5306-01-189-2053 BOLT,INTERNAL WRENCHING

National Stock Number:
5306-01-189-2052

Federal Supply Class:
5306

National Item Identification Number:
011892052

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:
415425-500752L3HARRIS TECHNOLOGIES, INC.


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.515 INCHES MINIMUM AND 0.557 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28
WIDTH ACROSS FLATS0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM


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