3120-00-884-7737 BEARING,SLEEVE Index 3040-00-884-7742 ROD,PISTON,LINEAR ACTUATING CYLI

National Stock Number:
5306-00-884-7738

Federal Supply Class:
5306

National Item Identification Number:
008847738

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:
1089220319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
CONCENTRIC HOLE DIAMETER0.3125 INCHES NOMINAL
FASTENER LENGTH0.9687 INCHES NOMINAL
HARDNESS RATING170.0 BRINELL HULTGREN NOMINAL OVERALL
HEAD HEIGHT0.375 INCHES NOMINAL
HEAD STYLEHEXAGON
INTERNAL THREAD CLASS3B COUNTERBORE
INTERNAL THREAD DIRECTIONRIGHT-HAND COUNTERBORE
INTERNAL THREAD LENGTH0.598 INCHES NOMINAL COUNTERBORE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1040 OR STEEL COMP 1145 OVERALL
NOMINAL THREAD DIAMETER33.0 MILLIMETERS
NOMINAL THREAD SIZE0.5625 INCHES COUNTERBORE
NONSTANDARD THREAD PITCH DIAMETER+1.2026 TO 1.2992 INCHES
STYLE DESIGNATORCOUNTERBORE THREADED
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.8906 INCHES NOMINAL
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF) COUNTERBORE
THREAD PITCH IN MILLIMETERS2.0
THREAD SERIES DESIGNATORISO M
THREADS PER INCH18 COUNTERBORE
WIDTH BETWEEN FLATS1.500 INCHES NOMINAL


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