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 5990-00-950-6890
NSN 5905-00-864-7759
NSN 5935-01-188-9070
NSN 5945-01-138-7398
NSN 4140-01-512-0744
NSN 5905-00-836-1897
NSN 5920-00-636-4713
NSN 6620-00-852-8245
NSN 5996-01-511-6127
NSN 6320-01-488-5581
NSN 5998-00-957-1795
NSN 7035-01-223-4097