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 5960-01-198-2244
NSN 6620-01-516-8476
NSN 6135-00-412-1687
NSN 5996-01-419-9748
NSN 6130-01-471-8421
NSN 6320-01-206-8930
NSN 4140-00-926-4242
NSN 6240-00-204-0459
NSN 5905-01-267-0798
NSN 5960-00-902-9039
NSN 5905-01-327-3678
NSN 6130-01-443-5644