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 6145-00-182-9797
NSN 4140-00-900-2341
NSN 7035-00-574-4223
NSN 5990-00-395-5703
NSN 6150-00-265-7799
NSN 5915-00-208-4686
NSN 6130-00-226-8754
NSN 7035-00-523-7492
NSN 6645-01-451-1295
NSN 6130-01-511-0584
NSN 5930-01-308-3489
NSN 5950-01-356-4241