3.750 inches i.D., 4.000 inches o.D.
A pliable rubber or composition ring-shaped element, split or jointless (solid) not encased in a metal shell, but having a spring, spreader and/or molded-in reinforcement. It is designed to be pressmounted between fixed and movable or moving parts to form a tight and effective seal.
Classification: Gaskets,washers & other seals
NSN 5960-01-201-5804
NSN 5895-01-257-1434
NSN 5960-00-171-9575
NSN 6130-01-035-5584
NSN 6110-01-009-5876
NSN 5998-00-959-6885
NSN 6645-00-192-1152
NSN 4140-01-534-8910
NSN 5975-01-058-3838
NSN 2925-01-399-2765
NSN 5935-01-576-9551
NSN 5965-00-106-3195