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 6135-00-898-6996
NSN 5985-01-608-3867
NSN 5930-00-000-0117
NSN 2925-01-523-3607
NSN 6685-01-284-4540
NSN 6150-01-202-2801
NSN 4140-01-542-9504
NSN 5915-00-764-3123
NSN 6320-00-098-2858
NSN 5990-01-185-9835
NSN 2925-00-278-9468
NSN 6610-00-581-0771