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 5960-00-420-0418
NSN 5990-00-288-1820
NSN 5835-00-257-2852
NSN 2925-00-456-7627
NSN 5935-01-263-3928
NSN 5905-00-039-5098
NSN 6150-01-363-3629
NSN 5945-01-116-3112
NSN 6145-01-151-0238
NSN 5975-01-376-0426
NSN 5920-01-492-0420
NSN 5999-01-441-5764