4820-00-197-4140 SEAT,VALVE Index 5330-00-197-4143 GASKET

National Stock Number:
5365-00-197-4141

Federal Supply Class:
5365

National Item Identification Number:
001974141

Description:
SPACER,RING

Detail:
A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see GASKET. For items manufactured from lubricated plastics, see BEARING, WASHER, THRUST. For items manufactured from lubricated felt, see FELT, MECHANICAL, PREFORMED. Excludes DISK, VALVE; INSULATOR WASHER; and SHIM. See also SPACER, PLATE and SPACER, SLEEVE.


Manufacturer Information:
5B893211083CATERPILLAR INC


Techincal Specification:
HARDNESS RATING65.0 ROCKWELL F MAXIMUM
INSIDE DIAMETER0.640 INCHES NOMINAL
OUTSIDE DIAMETER0.812 INCHES NOMINAL
OVERALL THICKNESS0.064 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-576,COLD ROLLED,SOFT ANNEALED FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY 130


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