4730-00-919-7986 ORIFICE,FLUTTER DAM Index 1680-00-919-7989 HOUSING HALF,GEAR A

National Stock Number:
5365-00-919-7987

Federal Supply Class:
5365

National Item Identification Number:
009197987

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:
KIN521307322MINNESOTA RUBBER CO
KIN521371724JOHN CRANE, INC


Techincal Specification:
INSIDE DIAMETER0.936 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
OUTSIDE DIAMETER1.036 INCHES MINIMUM AND 1.040 INCHES MAXIMUM
OVERALL THICKNESS0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
SPECIAL FEATURESONE CENTRAL GROOVE ON OD W/30 DEGSIDE ANGLE AND 0.968 IN. DIA


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