5365-01-172-6215 SPACER,RING Index 5365-01-172-6217 SPACER,RING

National Stock Number:
5365-01-172-6216

Federal Supply Class:
5365

National Item Identification Number:
011726216

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:
7-211411018-1502731MCDONNELL DOUGLAS HELICOPTER CO INC
7-211411018-1548T42THE BOEING COMPANY
7-211411018-158V613THE BOEING COMPANY


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