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 5990-01-372-6047
NSN 5895-00-011-3878
NSN 5998-00-919-5440
NSN 5975-01-143-7753
NSN 5999-00-537-7677
NSN 4140-01-496-4109
NSN 5905-01-525-8160
NSN 6150-00-858-3010
NSN 5920-01-570-0553
NSN 6150-01-408-5124
NSN 5835-00-922-1263
NSN 5905-01-556-9351