FORD ESW-M5A5-B 2012 Edition, July 24, 2012
STEEL WIRE, OIL TEMPERED SPRING, ROUND OR FLAT, BLACK OXIDE FINISH ***TO BE
USED WITH FORD WSS-M99P1111-A***
Description / Abstract:
The materials defined by these specifications are generally open
hearth steel products drawn into either round or flat wire,
hardened in oil and tempered to the physical characteristics given
below.