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.
Classification: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6130-01-079-2262
NSN 6685-01-508-5042
NSN 6320-01-240-4637
NSN 5985-01-472-9089
NSN 6150-00-111-0881
NSN 5990-01-086-4825
NSN 6130-00-683-1011
NSN 5996-01-202-7869
NSN 5925-00-937-1586
NSN 6610-01-257-5808
NSN 5910-01-377-5032
NSN 5920-01-193-1356