Material is neoprene, m1bc607
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 6650-01-032-1786
NSN 7035-00-286-6221
NSN 5935-01-320-6403
NSN 6620-01-100-0431
NSN 6240-00-847-5134
NSN 5905-00-535-9364
NSN 5975-00-324-2070
NSN 5950-00-116-6520
NSN 6610-01-371-3006
NSN 5920-00-256-3159
NSN 5990-01-633-9503
NSN 5999-01-141-9350