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 5855-01-645-0531
NSN 5985-01-570-3826
NSN 5990-00-269-2226
NSN 6320-00-450-7014
NSN 6610-00-419-7844
NSN 5925-00-837-2389
NSN 6135-01-495-0933
NSN 5930-01-290-8488
NSN 5915-00-020-9249
NSN 6610-01-255-4544
NSN 6220-01-171-4738
NSN 6240-01-474-1846