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 6150-00-100-1302
NSN 5925-01-510-0369
NSN 5998-01-092-0940
NSN 5999-01-615-2123
NSN 5998-01-578-9865
NSN 6105-01-155-6962
NSN 5905-01-359-1963
NSN 5930-01-656-1205
NSN 5915-00-732-9228
NSN 5945-00-949-6474
NSN 6620-00-531-2974
NSN 7035-00-232-4043