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 5945-01-415-5933
NSN 5915-01-659-4683
NSN 4140-00-054-5835
NSN 6110-00-231-3751
NSN 5990-01-079-3271
NSN 6685-01-348-1801
NSN 4140-01-543-8282
NSN 6610-01-476-7412
NSN 5998-01-130-3853
NSN 5990-00-818-7136
NSN 6110-00-195-5440
NSN 4140-01-382-1941