Thickness is .312 and .250, outside edges
An item, made of rubber or plastic, usually cylindrical, with or without a flange, having one or more holes extending through its entire length, usually parallel to its axis. The overall length must exceed 25 percent of its diameter or a distance across the peripheral flats for items without a flange. For items formed of other material see bushing, sleeve. Excludes bumper, nonmetallic and grommet nonmetallic.
NSN 6110-01-415-2326
NSN 6320-01-108-5933
NSN 6110-00-212-9130
NSN 6240-00-717-0844
NSN 5960-01-388-1988
NSN 6320-01-054-3046
NSN 6610-01-162-8258
NSN 5905-01-433-9834
NSN 5990-01-116-2181
NSN 6130-01-326-7118
NSN 5905-00-160-9042
NSN 5990-01-455-8035