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 5945-01-582-8644
NSN 6685-01-026-0111
NSN 6150-00-469-7017
NSN 5975-00-451-7208
NSN 5835-00-929-6623
NSN 4140-00-189-0235
NSN 6150-00-153-9361
NSN 6220-00-993-0419
NSN 6320-01-119-3935
NSN 6685-00-080-7119
NSN 5965-00-518-0958
NSN 6645-01-497-6543