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 5920-01-331-8620
NSN 6320-01-519-8767
NSN 5999-01-634-0576
NSN 5905-01-602-9868
NSN 5920-00-226-0227
NSN 5998-00-601-5094
NSN 5920-01-424-3721
NSN 6240-01-282-6447
NSN 5960-01-505-2426
NSN 6320-01-495-0512
NSN 6685-01-265-2739
NSN 5950-01-582-7452