The westward 21em31 is in our catalogue: for use with Grease Gun, max. operating pressure 12000 psi, compatible with grainger part no 15F196, 15F197, 15F198, 15F199, 15F201, 15F203, 15F210, 15F211, 19XH23, 1ZTC4, 33RL90, 45CT42, 45CT43, 45CT44, 45CT45, 45CT46, 48UJ77, 48UJ78, 48UJ79, 4BY69, 4BY70, 4BY71, 4BY72, 4BY73, 4BY74, 4BY75, 4BY81, 4BY82.
