Synthetic rubber material is nbr nitrile per astm d2000
A nonmetallic, accordian shaped protective covering designed to flex due to relative motion between parts to which its opposite ends are attached. It is primarily used to cover the opening around a movable push-pull rod or part passing through a hole in a bulkhead, partition or the like.
Classification: Machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers
NSN 6150-01-355-8985
NSN 5930-01-515-6579
NSN 6650-00-925-3779
NSN 6145-00-153-2818
NSN 5975-01-540-8097
NSN 5835-00-422-1441
NSN 6685-01-371-5445
NSN 5855-01-213-9076
NSN 6650-01-348-6623
NSN 5998-01-167-8819
NSN 5985-01-185-9906
NSN 6650-01-579-3855