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 6685-01-421-5889
NSN 6650-00-103-0867
NSN 5915-00-969-6382
NSN 5855-01-157-7186
NSN 5935-00-519-0281
NSN 6240-01-431-3603
NSN 5915-01-413-1633
NSN 5945-00-501-8843
NSN 5855-00-058-1293
NSN 6135-01-387-0754
NSN 5965-01-360-6568
NSN 5930-01-526-5781