75 durometer, as568-237
A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5960-01-328-8248
NSN 5905-01-256-1390
NSN 5985-01-639-8150
NSN 5960-00-642-9977
NSN 6135-00-756-6149
NSN 6110-01-333-7923
NSN 6110-00-118-6174
NSN 5905-01-331-2783
NSN 6620-01-418-9409
NSN 5990-01-191-9624
NSN 6135-01-079-7852
NSN 6610-01-254-4196