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 5950-01-512-1465
NSN 4140-00-846-4786
NSN 5835-01-553-6772
NSN 2925-01-462-1620
NSN 5835-00-243-0594
NSN 4140-00-225-8586
NSN 5985-00-280-4169
NSN 5999-01-206-4657
NSN 6105-00-410-4947
NSN 4140-00-115-5534
NSN 7035-01-602-7966
NSN 5999-01-521-2626