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 5935-01-358-7334
NSN 6135-01-104-3790
NSN 5835-00-554-0399
NSN 4140-00-274-9638
NSN 6685-01-137-1682
NSN 6220-01-438-6275
NSN 5935-01-069-3168
NSN 6105-01-468-5605
NSN 5895-01-473-8630
NSN 6650-01-378-6075
NSN 5998-01-634-0604
NSN 6145-01-556-6896