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 6685-00-799-5787
NSN 6620-01-380-4882
NSN 5985-00-584-3795
NSN 5990-00-659-8067
NSN 6240-01-236-9330
NSN 5925-01-579-1753
NSN 6150-00-960-4987
NSN 6645-00-847-3727
NSN 6105-01-144-8441
NSN 6135-00-826-0334
NSN 6220-00-142-5115
NSN 6135-01-231-4809