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 5985-01-454-8663
NSN 5920-00-081-0537
NSN 6650-01-144-8436
NSN 6620-01-173-3284
NSN 5910-01-608-4412
NSN 5930-00-986-3005
NSN 6685-01-089-9606
NSN 6105-01-468-5605
NSN 6610-01-350-7697
NSN 6620-01-605-2590
NSN 6220-01-466-4346
NSN 5915-01-493-5067