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 6220-01-272-0850
NSN 5915-00-577-1501
NSN 5945-01-200-1589
NSN 5985-01-482-9025
NSN 5996-00-009-5673
NSN 5915-00-030-0343
NSN 6685-00-116-0300
NSN 4140-00-459-1564
NSN 5910-01-478-8132
NSN 5975-01-600-0155
NSN 5895-01-043-6533
NSN 5910-00-229-1148