5331-00-817-7783 O-RING Index 2820-00-817-7788 RING,PISTON

National Stock Number:
5365-00-817-7787

Federal Supply Class:
5365

National Item Identification Number:
008177787

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:
E244PC1374965CLARK-RELIANCE LLC
E256REVEPC1074965CLARK-RELIANCE LLC
P33-2274965CLARK-RELIANCE LLC
V1007974965CLARK-RELIANCE LLC


Techincal Specification:
HARDNESS RATING55.0 ROCKWELL B NOMINAL
INSIDE DIAMETER0.781 INCHES NOMINAL
OUTSIDE DIAMETER1.000 INCHES NOMINAL
OVERALL THICKNESS0.031 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING


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