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 5935-00-660-6771
NSN 6220-01-019-7606
NSN 5960-00-266-6741
NSN 5998-01-252-8803
NSN 5915-01-328-4580
NSN 5855-00-138-2386
NSN 6150-01-394-5915
NSN 5915-01-423-8561
NSN 5985-01-198-5146
NSN 5990-01-512-9129
NSN 5950-00-368-0478
NSN 7035-01-338-9971