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 4140-00-501-7833
NSN 6650-01-333-9155
NSN 5975-00-736-3420
NSN 6610-01-273-2075
NSN 5905-01-168-7806
NSN 5905-01-434-4244
NSN 6650-01-475-3714
NSN 6610-01-177-3732
NSN 5905-00-482-2229
NSN 5960-01-301-3315
NSN 7035-00-371-7749
NSN 6610-00-237-6154