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 5905-01-428-2241
NSN 6145-01-521-4564
NSN 5990-01-433-3786
NSN 5910-00-135-7119
NSN 5975-01-033-6578
NSN 5950-01-296-9824
NSN 6610-01-415-1623
NSN 7035-01-269-5700
NSN 5999-01-478-3974
NSN 5915-01-204-7889
NSN 6320-00-433-2773
NSN 5835-00-834-1286