04US64 | 1/4" Hose X 1/4" ORFS Female Swivel Fitting | FFX-04-04

These are new Weatherhead 04U-S64 fittings.  Compatible with 100R1, 100R2, 100R16 & 100R17 style hoses.

These fittings can also be interchanged with Couplamatic, Dayco, and Parker hydraulic hose fittings.

Couplamatic (CSI) - CS30-4X4

Couplamatic (CSI) - 4S64V 

Dayco -  HY04-04OFT

Parker - 1JSHY-4-4