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 4140-01-341-9184
NSN 5905-00-239-5784
NSN 6620-01-598-2271
NSN 5975-01-323-9909
NSN 6320-01-170-0708
NSN 6110-01-278-5392
NSN 5996-00-840-5246
NSN 6620-01-616-6008
NSN 6320-00-228-5678
NSN 5930-00-265-5822
NSN 6610-00-734-5976
NSN 6240-01-528-7873