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 5930-00-842-6797
NSN 5935-00-185-1446
NSN 6130-01-325-2539
NSN 6150-01-291-1787
NSN 5975-01-508-4642
NSN 6135-00-767-0331
NSN 5855-01-006-1827
NSN 5998-01-508-3677
NSN 5960-01-064-7121
NSN 4140-00-540-2683
NSN 5925-01-435-5869
NSN 5895-01-528-2532