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 5975-00-189-0857
NSN 5999-01-519-4971
NSN 6145-00-366-5790
NSN 5910-01-323-6922
NSN 5998-01-017-9457
NSN 5915-01-432-2325
NSN 6320-01-631-7828
NSN 5930-01-577-9690
NSN 6135-01-512-8740
NSN 5998-01-036-3686
NSN 5960-01-599-9821
NSN 6650-01-399-8552