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 5985-00-564-4102
NSN 5945-00-122-0054
NSN 6105-01-434-3572
NSN 5975-00-101-5495
NSN 5895-00-866-2234
NSN 5920-00-771-7280
NSN 6320-01-123-6814
NSN 6135-00-803-3012
NSN 6110-00-177-4657
NSN 6130-01-353-0965
NSN 5925-01-441-9316
NSN 5990-01-253-7647