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 6620-01-087-4361
NSN 5855-00-560-0110
NSN 6685-01-519-3447
NSN 4140-01-553-3349
NSN 6135-00-145-8884
NSN 6105-00-197-8671
NSN 5925-00-599-6339
NSN 5945-01-381-2038
NSN 6145-01-012-2098
NSN 5835-00-764-4388
NSN 5950-00-766-4821
NSN 5996-01-231-4361