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 4140-01-054-3553
NSN 5855-00-179-8588
NSN 6650-01-472-2244
NSN 5950-01-076-2967
NSN 5990-00-181-2220
NSN 5930-00-787-1290
NSN 6610-00-071-4623
NSN 5996-01-107-8474
NSN 5990-01-334-3268
NSN 6110-00-140-8769
NSN 5950-01-541-5016
NSN 6650-01-193-8983