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 5915-00-857-3007
NSN 6620-00-415-2768
NSN 6220-01-606-8833
NSN 5835-00-479-0464
NSN 6150-00-175-7868
NSN 6620-00-555-3992
NSN 2925-01-359-4027
NSN 5925-00-114-2253
NSN 5998-01-260-3026
NSN 5910-01-070-4491
NSN 7035-00-946-2642
NSN 6620-01-149-9192