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 5975-00-343-0370
NSN 5998-01-424-4510
NSN 5985-01-579-0223
NSN 6645-01-553-8500
NSN 5990-00-232-3965
NSN 6685-01-014-0712
NSN 5990-01-463-2279
NSN 6150-00-244-1964
NSN 5915-01-270-0762
NSN 6320-00-186-6452
NSN 4140-01-100-1223
NSN 6150-01-632-5149