Amphenol CIT's third-generation ARINC 791/792 Adjustable Fittings make it easy to adjust to structure variations while minimizing labor on the line or at the MRO. Our patented design features Z-Axis adjustability that ensures the lowest possible installation height for ESA applications and supports ARINC 791 to 792 conversion.

Construction

Materials

• 17-4PH stainless steel heat treated to H1150
• Passivated per AMS2700
• Primed using MIL-PRF-23377, Type I, Class N
• Painted using MIL-PRF-85285, Type I, Class H (Gloss white)
• RoHS & REACH compliant

Performance Standards

• Substantiated to 4,000 lbs (at each fitting location)
• ARINC 791 specified .375” fitting bolt

Patent No.

• US 10,640,194

Features & Benefits

Function

• Eliminates shimming and match drilling
• Minimizes installation time
• Reduces tools required for installation
• Accommodates variations in AC-side fittings
• Meets ARINC 791 slip requirements
• Fail-safe design
• CRES material eliminates bushings and galvanic corrosion

Tested to Meet the Following Requirements:

• Operational Shock: RTCA/DO-160G Section 7.2.1: 6 g 11 ms terminal sawtooth (3 shocks in all 6 directions)
• Crash Safety Impulse: RTCA/DO-160G Section 7.3.1: 20 g (1 shock in all 6 directions)
• Crash Safety Sustained: RTCA/DO-160G section 7.3.3: 20 g (3 seconds minimum in all 6 directions)
• Robust Vibration: RTCA/DO-160G section 8.7.2: Random Category R, Curve B3 and B4
• High Power Short Duration Engine Imbalance: RTCA/DO-160G Section 8.6: Sinusoidal Category H, Curve R
• Mechanical Endurance: 250 cycles minimum