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 5998-01-441-7964
NSN 5990-01-400-3299
NSN 6685-00-345-2848
NSN 5999-01-551-1829
NSN 6110-01-357-6357
NSN 5960-01-243-0007
NSN 5998-01-522-9764
NSN 5990-00-186-2445
NSN 5998-00-699-2514
NSN 6110-01-444-3302
NSN 5925-00-222-8263
NSN 5925-01-447-4153