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: Other articles of iron or steel not wire nesoi
NSN 5990-00-301-3386
NSN 5950-01-409-2785
NSN 6685-01-531-8945
NSN 5895-01-545-8337
NSN 6650-01-233-6307
NSN 6135-00-635-9187
NSN 6645-01-422-1374
NSN 6685-01-231-8850
NSN 5925-01-272-9577
NSN 6645-00-276-7544
NSN 5915-01-069-2775
NSN 6320-01-442-3428