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 5990-00-853-1123
NSN 5925-01-490-2649
NSN 6685-01-385-4988
NSN 5985-01-623-9102
NSN 6650-01-327-4122
NSN 5996-01-164-8266
NSN 5999-01-394-1643
NSN 5930-01-544-6753
NSN 5985-01-085-5573
NSN 5930-01-561-0312
NSN 5990-01-461-8969
NSN 6240-01-655-1352