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 5990-01-074-6549
NSN 5935-01-421-2456
NSN 2925-01-157-9204
NSN 5925-01-215-1161
NSN 5998-01-442-3960
NSN 5835-01-050-7882
NSN 5895-00-290-6501
NSN 5999-00-341-7637
NSN 5998-00-910-5462
NSN 4140-00-138-4139
NSN 6110-01-108-5612
NSN 5915-01-615-3297