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 6110-01-577-7351
NSN 6620-00-020-6694
NSN 5930-01-089-9142
NSN 5855-01-660-9717
NSN 6240-01-379-8472
NSN 5975-01-633-0599
NSN 5945-01-100-0657
NSN 7035-01-442-6993
NSN 6240-01-311-1121
NSN 5920-01-578-7055
NSN 6610-00-391-7888
NSN 5990-01-177-1139