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 5945-01-543-6720
NSN 5905-01-139-7447
NSN 5996-01-536-8681
NSN 4140-00-279-3148
NSN 6135-01-622-1296
NSN 5965-00-957-5200
NSN 5985-01-559-4788
NSN 6610-01-595-9809
NSN 6645-01-392-9615
NSN 5855-01-529-3016
NSN 5950-01-578-8337
NSN 5990-01-407-6615