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 6240-00-361-1421
NSN 6320-01-484-7734
NSN 6110-00-518-2378
NSN 6130-01-442-3895
NSN 6220-01-367-5064
NSN 6110-00-474-2592
NSN 5915-00-223-5308
NSN 6220-01-442-5159
NSN 5999-00-950-5883
NSN 5950-01-605-1386
NSN 5925-01-634-0664
NSN 6650-01-074-8232