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 5895-01-231-9895
NSN 5965-01-604-7571
NSN 6220-01-632-0405
NSN 6650-01-057-8006
NSN 5910-00-248-6899
NSN 6320-01-532-7491
NSN 5999-01-533-6710
NSN 5915-01-153-2623
NSN 5835-01-641-0073
NSN 6145-01-197-3887
NSN 6650-01-163-3758
NSN 6150-01-603-3658