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 5990-00-081-3937
NSN 6650-01-523-3600
NSN 6240-00-227-0135
NSN 6650-00-937-5319
NSN 6320-00-688-9983
NSN 5960-00-702-0430
NSN 6220-01-199-4146
NSN 6110-01-369-0882
NSN 6105-01-324-4543
NSN 5835-00-707-6266
NSN 5925-00-803-1930
NSN 6610-00-996-2566