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 6645-00-300-0401
NSN 6240-01-603-0143
NSN 7035-01-421-4446
NSN 6650-00-717-8913
NSN 5930-01-153-8320
NSN 6135-01-128-5358
NSN 5945-01-568-0669
NSN 5975-01-267-5875
NSN 5950-00-917-9921
NSN 6610-01-624-1188
NSN 5990-01-591-8797
NSN 5915-00-051-6923