75 durometer, as568-280
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 6150-00-278-1060
NSN 6105-00-179-9863
NSN 2925-00-149-0760
NSN 6645-00-491-8963
NSN 7035-00-679-9027
NSN 6145-01-407-7218
NSN 6135-01-089-4888
NSN 6130-00-066-7473
NSN 6145-01-501-6174
NSN 5915-01-607-1055
NSN 6240-01-401-5340
NSN 5855-00-861-0006