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.
NSN 6145-00-399-5201
NSN 5975-00-947-3068
NSN 5965-00-187-5523
NSN 5910-01-191-9837
NSN 6645-00-052-7288
NSN 5950-01-583-9877
NSN 4140-01-519-7940
NSN 5855-00-797-8217
NSN 5930-00-426-7280
NSN 6110-01-555-8410
NSN 7035-01-232-7263
NSN 6240-01-166-4517