4310-00-824-2988 RING,PISTON Index 3010-00-824-2990 COUPLING,SHAFT,RIGID

National Stock Number:
5365-00-824-2989

Federal Supply Class:
5365

National Item Identification Number:
008242989

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:
70033899167HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
FEATURES PROVIDEDCASEHARDENED
FSC APPLICATION DATA1,DRIVE,CONSTANT SPEED,HYDRAULIC,AIRCRAFT
HARDNESS RATING55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM
INSIDE DIAMETER0.950 INCHES NOMINAL
OUTSIDE DIAMETER1.114 INCHES MINIMUM AND 1.124 INCHES MAXIMUM
OVERALL THICKNESS0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
SPECIAL FEATURESA. MAGNETIC PARTICLE INSPECTION


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