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 5925-01-186-6738
NSN 5915-00-459-0855
NSN 5985-01-219-2475
NSN 5925-01-425-1842
NSN 5925-01-444-0929
NSN 6645-01-537-1066
NSN 6645-00-030-8030
NSN 6240-01-485-3116
NSN 5910-01-304-5783
NSN 6220-01-377-4957
NSN 5990-01-443-2931
NSN 5960-01-384-4603