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 5835-00-083-6557
NSN 6220-01-257-1075
NSN 5945-01-103-1185
NSN 5945-01-153-0268
NSN 6685-01-634-0611
NSN 5915-01-184-8387
NSN 5985-01-103-6947
NSN 6240-01-369-4632
NSN 6620-01-591-6681
NSN 5920-00-135-0127
NSN 7035-00-104-7613
NSN 5965-01-426-8325