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 6150-00-549-3898
NSN 6130-01-326-0872
NSN 7035-00-470-4977
NSN 5965-00-520-2686
NSN 5905-01-130-0569
NSN 5985-01-207-6727
NSN 5950-00-235-0107
NSN 5915-00-155-7626
NSN 6645-00-051-8888
NSN 5835-01-519-3834
NSN 5920-01-306-5260
NSN 6320-01-328-6575