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 5920-01-279-5010
NSN 6685-01-419-9516
NSN 5920-01-350-3163
NSN 6220-01-502-7230
NSN 2925-00-278-9468
NSN 5990-01-439-4643
NSN 5915-01-593-5798
NSN 5985-01-180-4099
NSN 5930-01-354-8119
NSN 6150-01-306-1204
NSN 6320-01-643-0850
NSN 6150-00-330-3629