4220-01-535-7768 LIFE PRESERVER,VEST Index 2090-01-535-7770 MODIFICATION KIT,MISCELLANEOUS S

National Stock Number:
5365-01-535-7769

Federal Supply Class:
5365

National Item Identification Number:
015357769

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:
2633-561-01-27496169ELECTRIC BOAT CORPORATION
801-664081153711NAVAL SEA SYSTEMS COMMAND
801-6640811-27453711NAVAL SEA SYSTEMS COMMAND
801-6640811-27496169ELECTRIC BOAT CORPORATION


Techincal Specification:
INSIDE DIAMETER8.595 INCHES MINIMUM AND 8.605 INCHES MAXIMUM
MATERIALNICKEL ALLOY
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER9.595 INCHES MINIMUM AND 9.605 INCHES MAXIMUM
OVERALL THICKNESS0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
SPECIAL FEATURESEXPORT CONTROL DWG NOT TO BE RELEASED OUTSIDE USA
SUPPLEMENTARY FEATURESHAS MOUNTING HOLE TOP OF RING 0.280 IN DIA
SURFACE FINISH63.0 MICROINCHES OVERALL


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