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 5999-00-958-2673
NSN 5930-01-270-9773
NSN 6240-01-414-3873
NSN 5950-01-341-6442
NSN 6320-01-643-0850
NSN 6220-00-100-4937
NSN 2925-01-041-8201
NSN 5855-01-379-9978
NSN 7035-01-624-1352
NSN 5950-01-439-6551
NSN 5895-01-251-2751
NSN 6220-01-044-5552