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 4140-01-207-9567
NSN 6240-01-503-8717
NSN 5925-00-204-0314
NSN 5999-00-954-7673
NSN 5935-00-887-9534
NSN 5915-01-230-0857
NSN 7035-01-317-4227
NSN 4140-00-866-9587
NSN 5996-01-553-1118
NSN 5920-01-206-3977
NSN 5960-00-266-6741
NSN 5996-01-086-1317