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 5985-01-512-1307
NSN 6110-00-806-5459
NSN 5985-00-469-3179
NSN 6130-00-152-7106
NSN 6320-01-106-4414
NSN 5945-01-585-9974
NSN 5855-01-145-8973
NSN 5910-00-398-0775
NSN 5930-01-567-1616
NSN 5975-00-978-9078
NSN 6150-01-007-0749
NSN 5998-01-464-8766