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 5999-01-008-7574
NSN 5905-01-117-9517
NSN 6105-01-384-3687
NSN 4140-00-707-5963
NSN 4140-00-010-7955
NSN 5975-01-441-4645
NSN 2925-00-483-9357
NSN 5965-01-571-7958
NSN 6685-00-242-2224
NSN 5915-01-499-7506
NSN 2925-00-461-4954
NSN 5960-01-560-8461