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 6620-01-312-6350
NSN 6685-01-381-0392
NSN 5855-01-040-3882
NSN 6620-01-534-7180
NSN 6620-01-358-7531
NSN 7035-00-275-5604
NSN 5950-00-466-2248
NSN 6110-01-478-0359
NSN 6650-00-754-2276
NSN 5855-01-596-5816
NSN 6145-01-634-0388
NSN 5996-01-142-6465