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 5999-00-934-9876
NSN 6685-01-590-6620
NSN 5950-01-371-3609
NSN 2925-00-717-7904
NSN 5965-01-175-4839
NSN 4140-01-237-1509
NSN 5945-00-255-4033
NSN 5855-00-089-3974
NSN 5950-01-583-6563
NSN 5915-00-807-8547
NSN 5965-01-447-4220
NSN 5920-01-215-4741