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 6645-01-592-2557
NSN 5985-01-089-7225
NSN 5975-00-880-6285
NSN 6610-01-645-7515
NSN 6135-01-222-0703
NSN 5985-01-433-8057
NSN 6645-01-235-9465
NSN 6130-01-255-0362
NSN 5935-00-064-9164
NSN 6135-01-433-2062
NSN 6135-00-246-0324
NSN 6105-01-340-2990