WELWYN 4037Z HIGH VOLTAGE RESISTOR 4.3M 1W
Manufactured by Welwyn to military specifications as part of their 4037Z range, these are 4.7M Ohm 1% close tolerance metal film resistors.
We believe the rating of this particular value in the series is up to 450V and good for 1.25W.
Dimensions are about 53mm long x 7mm diameter.
New vintage stock, sold and priced individually.