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 5990-01-625-0855
NSN 5895-01-168-2733
NSN 6645-01-069-8746
NSN 5965-01-269-4338
NSN 5915-01-187-4931
NSN 6105-01-511-4771
NSN 6320-00-422-9006
NSN 5996-01-466-2825
NSN 5930-01-384-2820
NSN 5990-00-781-6762
NSN 5920-01-494-4117
NSN 5930-01-482-0584