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 5996-00-402-6071
NSN 2925-00-265-7539
NSN 6320-00-218-6105
NSN 5990-00-251-0965
NSN 5965-00-689-1545
NSN 5905-01-085-4963
NSN 5990-01-219-9018
NSN 6320-01-422-1212
NSN 6685-01-424-0975
NSN 6150-01-514-8680
NSN 6320-01-631-7828
NSN 6105-01-367-1501