Features Standard SSN Series has a narrow frame and compact mounting base. Non-sparking ratchet assembly. Declutching arbor to prevent damage from reverse winding. Standard inlet: 90° stainless steel ball bearing swivel joint, 1/2" female NPT threads. Standard outlet: 1/2" female NPT threads. Standard pressures to 3000 psi (207 bar). Temperatures from +20° F to +400° F (-7° C to +204° C).