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 6620-00-100-4517
NSN 6130-01-324-9839
NSN 6685-01-418-5119
NSN 5905-01-208-3540
NSN 5925-01-171-5693
NSN 5910-01-612-7692
NSN 5950-01-354-2598
NSN 5996-01-293-5936
NSN 5855-01-360-6650
NSN 5990-01-627-8097
NSN 5925-01-634-0664
NSN 5920-01-364-1866