5331-01-550-8945 O-RING Index 5340-01-550-8947 DOOR,ACCESS,UTILITY

National Stock Number:
5365-01-550-8946

Federal Supply Class:
5365

National Item Identification Number:
015508946

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:
803-5196808 PC 505 MOD, MONEL52891PEMCO-NAVAL ENGINEERING WORKS INC
803-5196808 PC 505 MOD, MONEL53711NAVAL SEA SYSTEMS COMMAND
N-G761047H596GLOBAL INCORPORATED


Techincal Specification:
INSIDE DIAMETER7.790 INCHES NOMINAL
OUTSIDE DIAMETER8.259 INCHES NOMINAL
OVERALL THICKNESS0.375 INCHES NOMINAL


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