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 5990-01-157-0441
NSN 5998-00-248-7472
NSN 6130-01-396-9529
NSN 6135-00-235-1938
NSN 5985-01-433-6587
NSN 6220-01-212-3254
NSN 5999-01-347-5875
NSN 5950-00-378-9959
NSN 5835-00-170-5238
NSN 6320-01-229-6479
NSN 5950-01-186-2532
NSN 6135-01-391-6515