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 5990-01-608-9271
NSN 5895-01-285-1517
NSN 5910-00-845-4513
NSN 5985-01-607-4063
NSN 5965-00-139-4870
NSN 6130-01-634-0603
NSN 6320-01-308-0009
NSN 5895-01-412-0249
NSN 2925-01-446-0525
NSN 5855-01-474-8904
NSN 5910-01-132-1541
NSN 6135-01-659-5393