This is a NOS military surplus RI filter manufactured by Hopkins Engineering Co.

Rated at 55 Amp, 50 VAC-DC. Dimensions are 9"L x 8-1/2"W x 3-3/4"W

Military part number N17-S-50976-1001. Still in original box.

If anyone knows how or where this filter was used, PLEASE fill me in.

Actual Pictures of filter. Shipping weight 17 lbs.

Price $295.00 each (2 available)