This is an ISO A Quick Coupling, the body size is 3/8" (10 mm), both the male and female ends are NPT 3/8" Female Thread.
ISO A interchangeable couplings that can interchange with any ISO 7241 A quick couplings, no matter the manufacturer of
the quick couplings, they all will obey with the ISO 7241 A standard.
ISO A quick couplings are widely used in lots of general purpose equipments, hydraulic tools, mobile hydraulics and other
equipments.
The Features of this quick couplingBall lock - the connection between male and female part are ball lock mechanism, super easy to connect and disconnect
poppet valving - O seal ring to prevent the leakages, stable
Zinc plated
NPT 3/8" Female Thread - NPT is a National Pipe Thread Standard, 3/8" NPT Female Thread, Not mean the thread inner diameter is
3/8", you can check the thread, the inner diameter for the female 3/8" NPT is about 0.58" at the edge of the thread.
Interchangeable with:
Hansen HA15000 SeriesFemale- Socket: HA1522100
Male - Plug: HA1522200

Parker 6600 SeriesFemale- Socket: 6601-6-6
Male - Plug: 6602-6-6

Eaton Aeroquip FD56 SeriesFemale- Socket: FD56-1064-06-06
Male - Plug: FD56-1062-06-06

Fast NV SeriesFemale- Socket: NV 38 NPT F
Male - Plug: NV 38 NPT M

Safeway S56 SeriesFemale- Socket: S565-3
Male - Plug: S561-3