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 6685-01-643-2827
NSN 5925-01-542-4620
NSN 6135-00-488-4478
NSN 6610-01-386-4582
NSN 4140-01-539-0548
NSN 5990-00-133-7734
NSN 5999-00-209-9277
NSN 5915-00-770-2563
NSN 7035-01-658-1623
NSN 5915-00-390-6351
NSN 6145-01-595-5983
NSN 6220-01-116-2411