5306-00-637-8663 BOLT,INTERNALLY RELIEVED BODY Index 5306-00-637-8665 BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-637-8664

Federal Supply Class:
5306

National Item Identification Number:
006378664

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.


Manufacturer Information:
0E197392392ALLIS-CHALMERS CORP
534614419207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
CONCENTRIC HOLE DIAMETER0.437 INCHES NOMINAL
COUNTERBORE DEPTH0.375 INCHES NOMINAL
COUNTERBORE DIAMETER0.498 INCHES MINIMUM AND 0.503 INCHES MAXIMUM
FASTENER LENGTH1.500 INCHES NOMINAL
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.438 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1070 OVERALL
NOMINAL THREAD DIAMETER1.125 INCHES
WIDTH BETWEEN FLATS1.500 INCHES NOMINAL
STYLE DESIGNATORCOUNTERBORE UNTHREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.484 INCHES MAXIMUM
THREAD QUANTITY PER INCH12
THREAD SERIES DESIGNATORUNF


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