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 6650-01-136-9194
NSN 6220-01-189-7039
NSN 5996-01-659-5931
NSN 6220-01-485-4233
NSN 4140-01-084-7596
NSN 6130-01-086-8418
NSN 6650-01-633-5160
NSN 4140-00-740-2153
NSN 6685-01-091-8928
NSN 5945-00-449-1595
NSN 5996-01-462-1631
NSN 5905-00-082-0174