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 6240-01-456-1624
NSN 6105-01-309-3237
NSN 4140-01-523-5211
NSN 5975-01-624-6420
NSN 5960-01-271-0928
NSN 6145-01-580-1025
NSN 6150-00-717-8942
NSN 5945-01-062-0800
NSN 5996-01-570-4583
NSN 5965-00-144-2543
NSN 2925-00-071-4197
NSN 5935-01-386-3697