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 5999-01-154-7862
NSN 5990-01-492-6575
NSN 4140-00-420-0251
NSN 6110-01-504-6932
NSN 6105-00-011-8083
NSN 6105-01-310-8468
NSN 5999-01-068-6221
NSN 6145-00-365-0121
NSN 6145-00-702-0057
NSN 5945-01-553-9107
NSN 6135-01-584-0941
NSN 5985-01-477-6320