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 5999-00-474-7704
NSN 6320-01-388-3125
NSN 6685-01-239-4182
NSN 6130-01-414-3497
NSN 5935-01-428-7277
NSN 6150-00-933-4336
NSN 5945-01-365-9235
NSN 6220-00-006-9746
NSN 2925-00-933-0200
NSN 5910-01-191-0117
NSN 6105-01-045-5128
NSN 6130-01-086-8897