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 6110-01-362-3141
NSN 6105-01-645-4935
NSN 6220-00-371-3267
NSN 5985-01-565-7852
NSN 5915-00-939-7518
NSN 6145-00-830-8210
NSN 5925-01-137-1332
NSN 6620-00-779-5859
NSN 6685-01-605-5707
NSN 5915-00-864-3733
NSN 6105-01-043-4226
NSN 6685-01-111-8712