Commercial
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 6150-01-554-6649
NSN 5905-00-294-9445
NSN 6145-01-075-1042
NSN 7035-01-223-4097
NSN 6645-00-835-5375
NSN 5998-01-157-9353
NSN 5998-01-473-4742
NSN 6135-01-459-6424
NSN 5920-00-883-9643
NSN 6130-01-140-0463
NSN 6320-00-593-0379
NSN 5999-01-020-3172