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 6650-01-075-6642
NSN 6650-01-258-0811
NSN 5930-01-110-3876
NSN 6645-01-184-5065
NSN 2925-00-113-6146
NSN 7035-00-205-1932
NSN 6150-00-822-8192
NSN 6220-01-453-9813
NSN 6620-01-234-1799
NSN 5975-01-176-3615
NSN 6650-01-557-7444
NSN 5835-01-073-6133