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 5960-00-269-3726
NSN 5990-01-463-2279
NSN 6135-00-962-4111
NSN 6110-00-452-0448
NSN 6620-01-535-6925
NSN 5996-01-444-0680
NSN 6145-01-482-7875
NSN 6110-00-707-9869
NSN 5990-01-658-3102
NSN 5855-01-211-2437
NSN 6685-01-106-0049
NSN 5950-01-301-6499