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 5935-01-185-1007
NSN 6220-01-032-7370
NSN 6610-01-044-1860
NSN 5930-01-516-6722
NSN 6645-01-231-5540
NSN 6650-00-877-6972
NSN 6620-01-633-8443
NSN 4140-01-526-1066
NSN 6130-01-272-2464
NSN 6130-01-634-0603
NSN 5990-00-410-6202
NSN 6240-01-525-6585