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 5835-01-457-7951
NSN 5925-01-332-6524
NSN 6320-01-476-7702
NSN 6320-00-908-6841
NSN 5920-00-185-6664
NSN 4140-01-228-6543
NSN 5985-00-458-6586
NSN 5915-01-090-1842
NSN 5985-01-097-5511
NSN 6610-01-601-6249
NSN 5965-01-504-8199
NSN 6145-00-452-4501