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 5996-00-691-5544
NSN 2925-01-543-0073
NSN 5996-01-623-5380
NSN 5996-01-487-4377
NSN 5855-01-300-7424
NSN 5998-00-138-7845
NSN 5960-01-462-1864
NSN 5895-00-395-9539
NSN 6145-01-537-7243
NSN 4140-00-475-5368
NSN 5975-01-478-9651
NSN 5930-01-441-2559