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 4140-01-631-4447
NSN 6320-00-456-0836
NSN 6650-01-519-9165
NSN 6620-01-121-4019
NSN 5990-01-090-3232
NSN 6145-01-484-2495
NSN 5990-00-818-3480
NSN 6135-00-782-6988
NSN 5915-01-217-1394
NSN 5945-01-370-4362
NSN 6650-01-276-9723
NSN 5910-00-801-9370