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 5935-01-228-8806
NSN 2925-01-103-9419
NSN 6135-01-243-5797
NSN 5905-00-880-0942
NSN 5996-01-468-6719
NSN 6220-01-567-7885
NSN 4140-01-417-2611
NSN 6320-01-355-2929
NSN 6650-01-386-5787
NSN 6685-00-362-8183
NSN 6610-01-562-0846
NSN 5950-00-929-0549