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 6650-01-078-0114
NSN 6220-01-037-6558
NSN 5925-01-376-9784
NSN 5925-01-608-4702
NSN 6105-01-383-0988
NSN 5895-01-207-5038
NSN 6645-01-579-4247
NSN 5895-01-088-0129
NSN 5915-01-391-6618
NSN 6645-00-269-2764
NSN 6150-01-379-1635
NSN 5950-00-971-1717