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 5930-00-607-4499
NSN 5975-01-446-4484
NSN 5930-01-399-3344
NSN 5935-00-239-3306
NSN 5915-01-425-0257
NSN 5998-01-462-4169
NSN 5960-01-139-3136
NSN 6150-01-210-2211
NSN 6645-00-200-2324
NSN 5950-00-555-2881
NSN 5935-01-535-5871
NSN 6240-01-401-5340