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 6620-01-631-5936
NSN 5925-01-294-2408
NSN 6620-00-189-0967
NSN 6150-01-274-3990
NSN 6320-00-238-9973
NSN 5945-01-508-5024
NSN 4140-00-985-0182
NSN 7035-00-541-8516
NSN 5920-00-185-9587
NSN 6130-01-634-0603
NSN 6650-01-224-9024
NSN 5925-01-319-6738