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 4140-01-444-3945
NSN 6105-01-516-9936
NSN 6650-00-389-4111
NSN 6145-01-365-4022
NSN 6105-01-230-5012
NSN 5996-01-438-7529
NSN 5990-01-591-0701
NSN 5960-01-599-9821
NSN 5920-00-241-1526
NSN 5915-01-014-4837
NSN 5985-01-406-3928
NSN 6685-01-601-1876