Internal groove, 0.188 in. W, 4.750 in. Dia
No other part numbers with same form, fit, and function found.
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: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 5835-01-493-1826
NSN 4140-00-144-6833
NSN 5945-00-608-9304
NSN 5905-01-481-3661
NSN 5905-01-498-9312
NSN 6620-01-386-5914
NSN 5895-00-491-0461
NSN 5960-00-975-2540
NSN 5965-00-071-0562
NSN 6620-00-585-1936
NSN 6220-01-445-5544
NSN 5915-01-013-8995