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 6610-01-175-2359
NSN 5975-01-368-8120
NSN 6620-01-392-7191
NSN 2925-00-806-7972
NSN 5915-01-203-1131
NSN 5985-01-286-3690
NSN 6150-00-657-4759
NSN 6620-01-292-5072
NSN 2925-01-197-7864
NSN 5990-00-683-1095
NSN 6145-00-705-6686
NSN 6130-01-217-3181