4810-00-135-7931 HOUSING,VALVE Index 5365-00-135-7933 SPACER,RING

National Stock Number:
5365-00-135-7932

Federal Supply Class:
5365

National Item Identification Number:
001357932

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:
6860297-1273342ALLISON TRANSMISSION INC
EU80968K0680ROLLS-ROYCE AIRLINES


Techincal Specification:
FSC APPLICATION DATAENGINE,ACFT,TURBOFAN
INSIDE DIAMETER1.640 INCHES NOMINAL
OUTSIDE DIAMETER1.840 INCHES NOMINAL
OVERALL THICKNESS0.159 INCHES MINIMUM AND 1.160 INCHES MAXIMUM
MATERIALSTEEL CORROSION RESISTING
SURFACE FINISH125.0 MICROINCHES BORE
SURFACE FINISH125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
SURFACE FINISH63.0 MICROINCHES LEFT SIDE
SURFACE FINISH63.0 MICROINCHES RIGHT SIDE


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