1 keyway 0.312 in. W by 0.312 in. Depth full lg of spacer
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).
NSN 5835-00-419-6576
NSN 2925-00-159-9003
NSN 5985-01-411-9618
NSN 6150-00-173-3964
NSN 6320-01-600-5808
NSN 5855-01-446-1936
NSN 5950-01-446-6903
NSN 5960-01-416-6187
NSN 5925-01-073-2546
NSN 5855-01-640-8290
NSN 6130-01-415-0590
NSN 6145-00-821-9040