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 5999-00-759-7551
NSN 6105-01-584-8745
NSN 6145-01-432-9511
NSN 6610-01-326-0119
NSN 5996-01-145-2784
NSN 5930-01-276-3806
NSN 6240-00-146-6703
NSN 5920-01-555-0485
NSN 5835-01-254-8584
NSN 5960-00-869-7404
NSN 6620-01-610-5081
NSN 6620-01-326-2542