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 aluminum nesoi
NSN 5999-01-168-4521
NSN 7035-00-679-9027
NSN 6650-01-076-5232
NSN 5910-01-216-7577
NSN 6645-01-265-0648
NSN 5915-00-096-7330
NSN 6650-01-179-9243
NSN 5930-01-077-2501
NSN 6150-01-546-7839
NSN 5965-00-577-1242
NSN 6645-00-536-1555
NSN 5950-01-133-7347