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 5999-00-190-4304
NSN 6650-00-434-0188
NSN 6320-01-325-8322
NSN 5930-00-865-5337
NSN 6685-01-525-1911
NSN 5999-01-544-1975
NSN 5925-01-245-5412
NSN 7035-00-830-1235
NSN 5990-01-218-5160
NSN 6220-01-120-4829
NSN 5975-01-203-2774
NSN 5920-00-249-6414