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 6620-01-420-8666
NSN 4140-00-538-8959
NSN 6685-00-144-6362
NSN 6130-01-516-4883
NSN 6135-01-046-6803
NSN 5855-01-412-9449
NSN 5835-00-102-2373
NSN 6620-01-027-6658
NSN 5920-01-319-0263
NSN 6110-01-528-6373
NSN 5960-01-599-9821
NSN 6110-01-239-0573