5340-01-316-7926 BUMPER Index 5365-01-316-7928 SPACER,RING

National Stock Number:
5365-01-316-7927

Federal Supply Class:
5365

National Item Identification Number:
013167927

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:
2642-860-01 ITEM 796169ELECTRIC BOAT CORPORATION
2642-860-02 ITEM 796169ELECTRIC BOAT CORPORATION
845-4687581 ITEM 780064NAVAL SHIP SYSTEMS COMMAND
4687582-000796169ELECTRIC BOAT CORPORATION


Techincal Specification:
MATERIALALUMINUM AND NICKEL ALLOY AND NICKEL


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