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 4140-00-766-6045
NSN 6220-01-349-5504
NSN 5925-00-262-6087
NSN 5960-00-195-4448
NSN 5950-01-477-6699
NSN 2925-01-629-9416
NSN 6135-00-900-2139
NSN 6130-00-318-3590
NSN 6620-00-517-6209
NSN 5985-01-312-0499
NSN 7035-00-392-5417
NSN 5835-00-198-4936