5340-01-386-6449 PLUG,VENT Index 5340-01-386-6451 PLATE,MOUNTING

National Stock Number:
5365-01-386-6450

Federal Supply Class:
5365

National Item Identification Number:
013866450

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:
1136E65FN3290099NORTHROP GRUMMAN SYSTEMS CORPORATION
4D07387-00190099NORTHROP GRUMMAN SYSTEMS CORPORATION


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