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 6645-00-498-6869
NSN 5985-00-859-9361
NSN 6220-00-517-9300
NSN 6685-00-909-9768
NSN 5920-01-605-1468
NSN 6220-00-111-3188
NSN 5905-00-529-0508
NSN 5996-01-302-8776
NSN 5985-01-660-2758
NSN 5975-01-165-0414
NSN 2925-00-304-1997
NSN 5935-00-927-5406