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 5975-00-179-1747
NSN 5985-01-440-5857
NSN 6150-01-572-5588
NSN 6650-00-862-2142
NSN 5855-01-608-9075
NSN 5960-01-187-0392
NSN 5895-01-361-9003
NSN 6685-00-477-7177
NSN 5985-00-351-9456
NSN 5905-00-369-0446
NSN 6620-00-871-0592
NSN 5998-01-555-8489