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 6320-01-498-4954
NSN 2925-00-146-0179
NSN 6150-00-587-7196
NSN 5975-01-192-9895
NSN 6220-01-345-6773
NSN 5985-00-980-2289
NSN 5915-01-440-9298
NSN 6105-01-043-4226
NSN 5960-00-379-4466
NSN 5960-01-452-1907
NSN 6110-01-273-0867
NSN 6610-00-763-2415