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 6320-01-177-3192
NSN 5990-00-433-3445
NSN 5975-01-190-8754
NSN 6610-01-605-2451
NSN 5999-01-263-9170
NSN 5960-00-562-1939
NSN 4140-01-205-1100
NSN 5945-01-519-0687
NSN 5960-00-395-2506
NSN 6320-01-371-3047
NSN 5855-01-256-9597
NSN 6620-01-540-8144