60274030L2 (40CX30C SLII) by PT-Coupling | STA-LOK® II Cam & Groove Reducing Spool Coupler | Type CXC | 4" Coupler x 3" Coupler | Aluminum | Buna-N Seal Filter-AllHose-ID_0.236" Engine warranty service available at

Engine warranty service available at authorized dealers

Part Number Description 13719V #256 O-Ring - FKM

130 ml-cc 180 N 41 lbf

25V SLII 1291125L2 2-1/2" 8

0300 22MP-R150200 1-1/2" 2" 2

60274030L2 (40CX30C SLII) by PT-Coupling | STA-LOK® II Cam & Groove Reducing Spool Coupler | Type CXC | 4" Coupler x 3" Coupler | Aluminum | Buna-N Seal Filter-AllHose-ID_0.236" Engine warranty service available atOverview: STA LOK II is a passive locking feature that automatically locks the handle into place, if it is fully closed. To open the handles there are manual quick release levers. Proper use of this mechanism can help prevent spills by keeping the cam arms from opening under adverse conditions, such as high vibrations, pulsing, wear, and hazardous materials. STA LOK II couplers meet the Coast Guard ASTM 1122 87 specifications for Quick Disconnect