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 5835-00-473-1010
NSN 5945-01-432-4977
NSN 6685-01-467-4166
NSN 5855-01-138-4985
NSN 5996-00-143-9377
NSN 6650-00-078-4092
NSN 5965-01-258-5662
NSN 5975-00-221-7175
NSN 6240-00-388-6479
NSN 2925-00-720-3948
NSN 6240-01-555-5980
NSN 5998-01-391-6832