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 6220-01-208-1640
NSN 6650-01-231-6728
NSN 6105-01-541-4811
NSN 5990-01-354-8965
NSN 5935-01-361-8758
NSN 5945-01-268-2860
NSN 5910-01-443-9932
NSN 6105-01-136-4472
NSN 5855-00-185-1560
NSN 5975-00-353-5589
NSN 5975-01-160-8617
NSN 5915-01-552-6356