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 5915-01-359-8329
NSN 5950-01-198-0063
NSN 6135-01-333-2540
NSN 6620-01-134-7387
NSN 6320-01-067-0474
NSN 6135-01-365-2707
NSN 5945-01-151-7457
NSN 5990-01-009-1422
NSN 5945-00-449-1595
NSN 4140-00-555-3856
NSN 5925-01-425-2679
NSN 5925-01-473-4287