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 4140-01-360-3766
NSN 6220-01-392-6667
NSN 7035-00-870-0290
NSN 5990-01-338-2103
NSN 2925-01-629-9416
NSN 5996-00-417-9706
NSN 6610-01-252-8201
NSN 5996-01-570-1026
NSN 6110-00-581-4445
NSN 6650-01-585-1716
NSN 6685-00-498-1194
NSN 5998-01-392-8979