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 7035-01-432-2424
NSN 6620-00-484-4662
NSN 6320-01-377-5701
NSN 5920-01-541-6248
NSN 5915-00-162-5942
NSN 6135-00-375-6861
NSN 5985-01-246-0381
NSN 5996-00-073-6999
NSN 5996-01-476-2131
NSN 5950-00-832-9967
NSN 5930-00-924-8515
NSN 5975-01-473-4740