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 6650-01-416-0473
NSN 6650-01-423-6313
NSN 6110-00-848-1785
NSN 5945-01-194-1762
NSN 5855-01-184-8089
NSN 5945-01-462-4436
NSN 6220-01-495-0916
NSN 5855-00-688-9954
NSN 5975-00-820-1581
NSN 5925-01-379-4109
NSN 6150-00-498-6623
NSN 5999-00-255-4510