Hydraulic Quick Connect Hose Coupling, Socket, ST Series, Brass, Coupling Size 1/2 in, Male, Max. Working Pressure @ 70 F 2,200 psi, Max. Flow Rate 45.42 lpm
The Parker BST-4M is a non-valved hydraulic quick coupler with a 1/2 inch body and 1/2 inch NPT male port connection. It features a brass construction and is designed for use with Parker Series ST quick connect nipples in systems where media isolation is not required. The coupler is rated for a maximum pressure of 2200 PSI and is suitable for manual sleeve operation.
Hydraulic Quick Connect Hose Coupling, Socket, ST Series, Brass, Coupling Size 1/2 in, Male, Max. Working Pressure @ 70 F 2,200 psi, Max. Flow Rate 45.42 lpm
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Distributor offers
| Seller | SKU | MOQ | In stock | Multiple | Prices |
|---|---|---|---|---|---|
| G4666821 | 1 | 213 | 1 | 1 @ $34.05 | |
| Grainger | 31A959 | 1 | 1 | ||
| FinditParts | 11014166 | 1 | 1 | ||
| AC4XUN | 1 | 1 | 1 @ $43.92 | ||
![]() AmazonTP | B078K6ZV98 | 1 | 1 | 1 @ $65.34 | |
![]() AmazonTP | B00BKADIM6 | 1 | 1 | 1 @ $29.89 | |
![]() Misumi USA | BST-4M | 1 | 1 | ||
![]() simsupply.com | ZO-G4666821 | 1 | 57 | 1 | 1 @ $46.27 |
| MRO Stop | 644021561 | 1 | 1 | 1 @ $22.74 | |
| Airline Hydraulics | PARKER BST-4M | 1 | 1 | 1 @ $30.03 |



