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 6620-00-628-9304
NSN 5930-00-642-2482
NSN 6145-01-168-4027
NSN 6645-01-266-0883
NSN 6135-00-686-4777
NSN 5925-01-392-4785
NSN 5895-01-022-4864
NSN 5930-01-170-5280
NSN 5998-00-509-2847
NSN 6320-01-103-6218
NSN 5925-01-095-9990
NSN 6220-01-553-7747