4820-01-163-7071 VALVE,SAFETY RELIEF Index 3020-01-163-7073 PULLEY,GROOVE

National Stock Number:
5306-01-163-7072

Federal Supply Class:
5306

National Item Identification Number:
011637072

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:
7-21151120902731MCDONNELL DOUGLAS HELICOPTER CO INC
7-211511209-302731MCDONNELL DOUGLAS HELICOPTER CO INC
7-211511209-31H427JACO ENGINEERING
7-211511209-38V613THE BOEING COMPANY


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