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 5998-01-377-4316
NSN 5910-01-504-4976
NSN 6105-01-525-6506
NSN 5990-01-277-9753
NSN 6650-00-518-2962
NSN 6320-01-198-4024
NSN 5905-01-492-5861
NSN 5998-01-649-3464
NSN 6130-00-432-1536
NSN 6150-01-425-1947
NSN 6110-00-216-6911
NSN 6240-01-479-4504