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 5905-00-240-5178
NSN 5999-00-518-4503
NSN 5996-00-328-9401
NSN 5930-01-476-7248
NSN 6320-01-183-8196
NSN 5950-00-999-9609
NSN 5835-00-807-5632
NSN 2925-00-984-7525
NSN 6135-00-170-8819
NSN 6620-00-079-0311
NSN 7035-01-589-7132
NSN 6110-01-512-5246