5306-01-314-6741 BOLT,SHEAR Index 5305-01-314-6743 SCREW,CAP,SOCKET HEAD

National Stock Number:
5306-01-314-6742

Federal Supply Class:
5306

National Item Identification Number:
013146742

Description:
BOLT,RIBBED SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also BOLT, RIBBED NECK.


Manufacturer Information:
1236360419207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS0.320 INCHES NOMINAL
FASTENER LENGTH2.750 INCHES NOMINAL
HEAD DIAMETER1.280 INCHES NOMINAL
HEAD HEIGHT0.260 INCHES NOMINAL
HEAD STYLEDEE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES
RIB LENGTH0.380 INCHES NOMINAL
RIB MAJOR DIAMETER0.8590 INCHES MINIMUM AND 0.8690 INCHES MAXIMUM
RIB MINOR DIAMETER0.8255 INCHES MINIMUM AND 0.8305 INCHES MAXIMUM
RIB QUANTITY40
SHOULDER DIAMETER0.840 INCHES NOMINAL FIRST SHOULDER
SHOULDER LENGTH0.440 INCHES NOMINAL FIRST SHOULDER
SHOULDER SHAPERIBBED FIRST SHOULDER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDOD-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE ZINC OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.120 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH16


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