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 6145-00-775-0786
NSN 6650-00-054-4721
NSN 5990-01-078-1294
NSN 7035-01-591-7766
NSN 2925-01-509-0767
NSN 6110-00-578-7243
NSN 6610-01-168-7943
NSN 5930-01-529-6777
NSN 5990-01-449-7090
NSN 6220-01-440-8077
NSN 5950-00-794-9949
NSN 4140-01-010-8183