0.500 in. From one end on od to be 63.0 microinches
No other part numbers with same form, fit, and function found.
A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).
Classification: Other articles of iron or steel not wire nesoi
NSN 5960-00-178-0968
NSN 6135-01-442-7275
NSN 6610-00-003-7899
NSN 5935-00-258-8166
NSN 5996-01-215-6103
NSN 6220-00-076-0428
NSN 6105-01-565-3557
NSN 5855-01-407-2300
NSN 5930-01-100-3197
NSN 5996-00-983-7884
NSN 7035-00-162-5487
NSN 5930-01-081-9380