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 5920-01-381-3115
NSN 6685-01-553-3102
NSN 5905-00-970-6497
NSN 5996-01-040-2606
NSN 6685-01-605-1676
NSN 6610-00-596-9883
NSN 5935-00-202-0943
NSN 6110-01-265-2346
NSN 6620-00-337-5610
NSN 6145-00-279-7136
NSN 6240-00-435-7940
NSN 6685-01-188-7157