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 6240-00-432-0328
NSN 6685-00-111-1123
NSN 6610-01-414-7481
NSN 5920-01-433-9119
NSN 5990-00-994-0555
NSN 6145-01-471-3645
NSN 6685-01-099-4046
NSN 5998-01-224-8144
NSN 5920-01-028-6492
NSN 6650-01-364-8504
NSN 5965-01-377-3587
NSN 6320-00-994-0179