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 6650-01-028-2820
NSN 5895-00-203-2379
NSN 5895-01-105-5515
NSN 6240-01-493-8365
NSN 5905-00-831-1588
NSN 6620-00-785-2251
NSN 5975-01-193-8662
NSN 2925-01-259-7092
NSN 5910-00-394-9524
NSN 5925-00-584-7189
NSN 6110-01-355-9732
NSN 6620-00-814-4770