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 6320-01-631-7828
NSN 6240-01-131-4454
NSN 5975-00-523-2275
NSN 2925-01-505-1666
NSN 5945-01-534-7617
NSN 5915-01-278-0678
NSN 5930-00-258-6606
NSN 6685-01-180-4719
NSN 6110-00-583-9821
NSN 6130-01-486-3268
NSN 6650-01-461-7713
NSN 5920-01-069-3433