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 5920-01-416-2518
NSN 5996-01-312-3508
NSN 5999-00-840-8337
NSN 7035-01-260-9543
NSN 5996-00-052-6533
NSN 6220-01-389-8933
NSN 5996-01-623-4247
NSN 6105-01-100-3129
NSN 6240-01-081-4122
NSN 5996-01-042-8554
NSN 5945-01-390-4290
NSN 6320-01-512-2031