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 5935-01-437-1543
NSN 6620-00-929-1188
NSN 5915-01-328-7525
NSN 6620-01-486-8002
NSN 5998-01-460-9530
NSN 5965-01-507-4318
NSN 6650-01-259-5940
NSN 6105-01-126-4937
NSN 6150-01-255-5507
NSN 5920-00-867-6490
NSN 2925-01-577-0004
NSN 6150-01-306-7569