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 4140-01-146-5409
NSN 6150-01-119-4153
NSN 6130-01-216-3581
NSN 5985-00-406-8797
NSN 6650-01-006-3487
NSN 5895-00-441-4925
NSN 6145-01-152-2417
NSN 5998-01-386-7386
NSN 5965-01-308-2261
NSN 6320-01-607-1491
NSN 5920-01-076-5467
NSN 5999-00-837-7615