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 5999-01-434-5670
NSN 5999-00-624-5512
NSN 5945-00-375-6647
NSN 5915-00-114-1890
NSN 5905-00-426-7144
NSN 5985-01-469-6600
NSN 4140-01-381-0099
NSN 5905-01-624-3170
NSN 5985-01-542-9179
NSN 6110-00-188-9874
NSN 5930-01-006-6622
NSN 5990-00-386-4951