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 6130-00-213-8177
NSN 5925-00-200-9478
NSN 6610-00-371-5953
NSN 6110-01-178-2848
NSN 5996-01-618-4515
NSN 4140-01-359-2895
NSN 5965-01-305-2858
NSN 5895-01-630-4872
NSN 2925-00-150-7334
NSN 2925-01-235-7507
NSN 5996-00-715-0837
NSN 5935-01-510-4618