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 5996-00-553-7348
NSN 6220-01-035-8638
NSN 6620-00-273-8735
NSN 4140-01-272-1804
NSN 6105-00-673-4725
NSN 6130-01-353-0965
NSN 5925-00-525-4037
NSN 5915-00-594-7786
NSN 6620-01-199-8580
NSN 5996-01-462-8966
NSN 5835-01-625-8604
NSN 6320-01-465-2028