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 6150-01-384-2405
NSN 5895-01-566-1136
NSN 6105-00-448-6927
NSN 5930-01-339-3461
NSN 5975-00-993-8156
NSN 7035-01-202-9250
NSN 6650-01-287-7960
NSN 5996-01-432-2102
NSN 4140-01-447-3141
NSN 5855-00-548-4742
NSN 5925-01-445-6112
NSN 6650-01-147-3125