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 5915-01-272-4182
NSN 2925-01-424-0235
NSN 2925-01-391-9247
NSN 6650-00-334-3564
NSN 6150-00-952-2766
NSN 7035-01-445-3563
NSN 6150-00-111-0881
NSN 6130-00-372-4322
NSN 5998-00-659-9533
NSN 5960-01-485-7532
NSN 5990-01-558-3989
NSN 5950-01-434-7626