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 4140-01-283-2287
NSN 5985-00-919-5525
NSN 7035-01-211-5636
NSN 6130-01-390-5612
NSN 5985-00-961-3082
NSN 5990-01-543-6301
NSN 6130-01-509-1945
NSN 5915-00-966-8527
NSN 5945-01-179-9695
NSN 5990-00-850-0609
NSN 6610-00-028-2222
NSN 6110-00-853-3103