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 5920-01-354-6243
NSN 5855-01-031-4729
NSN 5985-00-419-0342
NSN 5915-01-605-9068
NSN 5930-00-555-3007
NSN 6320-01-344-6511
NSN 6110-00-960-7341
NSN 5960-01-544-1273
NSN 5895-01-367-6531
NSN 5930-01-472-2291
NSN 6150-01-153-8563
NSN 4140-00-237-5797