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 6150-00-765-1527
NSN 6620-01-508-7902
NSN 6110-01-577-1239
NSN 5945-01-454-9825
NSN 5910-00-010-9853
NSN 5965-00-232-1925
NSN 2925-01-129-1261
NSN 2925-01-560-4123
NSN 6130-01-235-2824
NSN 5930-00-522-6499
NSN 5835-01-209-6410
NSN 6650-01-591-5057