5325-01-289-9787 RING,RETAINING Index 1315-01-289-9789 CARTRIDGE,81 MILLIMETER

National Stock Number:
5365-01-289-9788

Federal Supply Class:
5365

National Item Identification Number:
012899788

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:
113-4668721-3380064NAVAL SHIP SYSTEMS COMMAND
113-4668721-3381205THE BOEING COMPANY


Techincal Specification:
INSIDE DIAMETER401.0 MILLIMETERS MINIMUM AND 402.0 MILLIMETERS MAXIMUM
OUTSIDE DIAMETER439.0 MILLIMETERS MINIMUM AND 440.0 MILLIMETERS MAXIMUM
OVERALL THICKNESS3.15 MILLIMETERS NOMINAL


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