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 5895-01-285-1517
NSN 5855-00-944-0949
NSN 5925-01-645-0713
NSN 5925-00-269-2685
NSN 6610-00-817-8772
NSN 6145-00-248-4944
NSN 6620-01-006-2689
NSN 6220-00-366-1670
NSN 5895-01-512-7671
NSN 5998-00-243-7459
NSN 6610-01-069-8416
NSN 6685-01-284-4540