Unknown B-125 Camlock Coupling, Type B

Camlock coupling (cam and groove coupling), specifically a B-125 type fitting. Details: Type: Camlock Coupling, Type B Size: 1-1/4" (based on the “125” marking, which usually means 1.25 inches nominal size) Ends: Male NPT (threaded male end) Female camlock coupling (with cam arms for locking) Material: Stainless Steel (judging from the finish) Application: Used for quick connect/disconnect in fluid transfer systems (water, oil, fuel, chemicals, etc.). The cam arms lock onto the groove of a mating adapter (in this case, the other part in your second photo), ensuring a tight and leak-free connection without tools. Typical Specs for B-125 Camlock Coupling: Size: 1-1/4" (32 mm) Working Pressure: ~150 psi (varies by manufacturer & material) Temperature Range: -150°F to +250°F (for stainless steel with proper seals) Compatible with: Type A, E, F adapters, and dust plugs of the same size Please review pictures carefully and let us know if you have any questions!