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 6645-01-309-6455
NSN 6610-01-118-7577
NSN 6135-01-061-1862
NSN 5950-01-376-9732
NSN 6105-01-602-5769
NSN 5855-01-384-4914
NSN 5999-01-050-3610
NSN 5910-01-645-6189
NSN 5855-01-492-9795
NSN 6650-01-357-4670
NSN 5990-01-094-6826
NSN 5996-01-020-5759