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 6685-01-455-7373
NSN 2925-01-157-9204
NSN 5925-00-615-8777
NSN 6110-01-299-2507
NSN 6320-00-004-9158
NSN 6130-01-224-0384
NSN 6240-00-998-7765
NSN 5950-00-468-7991
NSN 5960-01-487-4791
NSN 4140-00-266-9132
NSN 6110-01-261-4980
NSN 5915-00-099-0347