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 6145-00-593-8100
NSN 6685-01-139-4132
NSN 6150-01-326-3707
NSN 5985-00-757-9834
NSN 6220-01-325-6645
NSN 2925-00-021-9580
NSN 5975-01-156-4343
NSN 6620-00-155-2608
NSN 5965-00-051-1721
NSN 5915-01-537-0605
NSN 6650-01-312-3467
NSN 5960-01-536-9763