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 6240-00-011-0183
NSN 6610-01-014-3964
NSN 6145-01-371-6250
NSN 5920-01-645-0937
NSN 5985-01-065-1675
NSN 5930-01-268-1621
NSN 6620-00-181-4622
NSN 5920-01-055-2024
NSN 5960-01-318-0987
NSN 5855-01-456-4878
NSN 5945-01-437-7657
NSN 6220-00-682-8292