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 5975-01-573-2198
NSN 6645-01-199-0062
NSN 5999-00-061-5154
NSN 6105-01-578-9044
NSN 5925-01-486-7924
NSN 5895-00-376-5074
NSN 6620-01-434-6538
NSN 6105-01-599-9665
NSN 6620-01-483-1138
NSN 5950-00-887-0632
NSN 5965-01-435-3414
NSN 5945-01-043-1676