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 5990-01-065-0492
NSN 5915-01-024-7293
NSN 5835-01-356-8250
NSN 6620-01-575-9561
NSN 5960-01-426-4242
NSN 6620-01-299-4563
NSN 6135-01-572-9340
NSN 6130-00-404-3814
NSN 5910-01-225-9420
NSN 6110-01-627-2589
NSN 6650-00-677-2577
NSN 6110-00-982-2838