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 5960-01-123-8775
NSN 6150-01-031-2036
NSN 6610-00-481-6250
NSN 5990-01-211-6136
NSN 5998-01-475-7624
NSN 6130-01-188-7411
NSN 5999-00-442-6551
NSN 6145-00-857-6903
NSN 5920-00-170-4247
NSN 2925-01-350-8372
NSN 5999-00-616-5790
NSN 5905-01-015-3309