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 6610-01-555-8364
NSN 5920-01-582-4784
NSN 5925-00-368-1291
NSN 5930-01-543-5813
NSN 5910-00-665-0347
NSN 6150-01-474-6532
NSN 6135-01-501-5376
NSN 2925-01-197-7864
NSN 5945-01-151-0693
NSN 5925-01-361-7683
NSN 5985-01-422-6293
NSN 5905-01-113-4007