Flange end id countersunk to 90 degrees by 0.404 in. Dia
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 6685-00-227-0199
NSN 5950-01-461-7939
NSN 6130-00-281-5978
NSN 5998-01-469-5714
NSN 6145-01-420-5513
NSN 5960-01-563-6975
NSN 5975-01-014-4648
NSN 5915-01-381-6547
NSN 5960-00-090-2991
NSN 6145-01-195-3395
NSN 5920-00-413-3341
NSN 5930-01-098-7439