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 6645-01-447-0020
NSN 5935-01-600-0194
NSN 5915-01-004-9319
NSN 5905-00-320-9821
NSN 5985-01-639-8150
NSN 6220-01-040-2959
NSN 6240-01-562-3223
NSN 5975-01-017-2738
NSN 6685-00-014-6081
NSN 6650-00-197-7563
NSN 5960-01-037-4809
NSN 6320-01-204-2922