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 5965-00-921-8370
NSN 5975-01-548-6567
NSN 4140-01-593-3466
NSN 5960-01-412-9474
NSN 2925-00-167-6762
NSN 5998-00-297-4635
NSN 6650-00-530-1880
NSN 5960-01-354-0762
NSN 5965-00-946-6692
NSN 5915-01-417-3123
NSN 6645-01-605-1485
NSN 5855-01-467-3802