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 6220-00-021-9040
NSN 6135-01-168-2944
NSN 6135-00-299-6918
NSN 5895-00-874-0324
NSN 5990-00-050-4369
NSN 4140-00-854-8871
NSN 6610-00-896-4914
NSN 5990-01-382-5364
NSN 5895-00-309-2864
NSN 5915-00-600-6393
NSN 5945-01-446-4534
NSN 5930-00-539-6640