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 6135-01-535-2307
NSN 6645-01-594-6407
NSN 6645-01-455-1293
NSN 5965-00-170-5254
NSN 5999-01-423-8982
NSN 6135-01-408-0313
NSN 6685-01-029-1971
NSN 5996-00-278-5193
NSN 5925-00-251-3283
NSN 5990-00-014-2310
NSN 6650-01-600-9293
NSN 5895-00-058-1205