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 5960-01-252-8821
NSN 5990-00-193-3028
NSN 5990-01-089-9694
NSN 6240-01-441-0784
NSN 5855-00-198-3197
NSN 5925-01-225-6809
NSN 5905-00-314-0068
NSN 6685-00-473-2423
NSN 5990-01-222-8570
NSN 6610-01-412-0058
NSN 5998-01-235-0474
NSN 6135-01-426-8282