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 5990-00-888-0718
NSN 6240-01-314-4694
NSN 6130-01-436-5142
NSN 6130-01-455-6398
NSN 6610-01-507-4356
NSN 6150-01-276-2427
NSN 5950-01-213-3734
NSN 6685-01-381-0759
NSN 5996-01-272-7879
NSN 5930-00-564-2903
NSN 6685-01-179-7025
NSN 6145-01-397-1793