Brand new 2590-01-624-8782 Control Cable Seal Assy. DRS Technologies p/n A3308492-2. Includes 2 1/4-20 bolts, washers, rivnuts, Grommet and grommet retainer. This would be great for applications where a waterproof seal is desired between a bulkhead or firewall and control cables, hoses, or tubing. Grommet has 2 holes; one appears about 1/4" diameter, the other is approx. 3/8". May have many other applications, including hotrods, competition cars, boats, and aircraft. Mil-spec item used in unmanned control systems. A3308492-2, 2590-01-624-8782, Control Cable Seal Assy, DRS A3308492-2, Firewall Grommet, R3A3