FITTING: 3 HOSE W/THREAD,1/4 N (P/N 1k31-4-6-4) - New Surplus

The 1k31-4-6-4 is a T-shaped instrument hose fitting with a 1/4-inch NPT threaded port and dual hose connections (3/8-inch and 1/4-inch). This brass fitting branches pneumatic lines in aircraft instrument systems, routing vacuum or pressure signals from engine sources to flight instruments. Commonly installed in general aviation and business aircraft pneumatic networks.

Secure with appropriate clamps and apply thread sealant per maintenance manual specifications.

What is the FITTING: 3 HOSE W/THREAD,1/4 N (P/N 1k31-4-6-4)?

The 1k31-4-6-4 is a T-shaped instrument hose fitting with a 1/4-inch NPT threaded port and dual hose connections (3/8-inch and 1/4-inch). This brass fitting branches pneumatic lines in aircraft instrument systems, routing vacuum or pressure signals from engine sources to flight instruments.

What hydraulic fluid type is the 1k31-4-6-4 compatible with?

Hydraulic component compatibility depends on the aircraft system design. Common aviation hydraulic fluids include MIL-PRF-5606 (mineral-based), MIL-PRF-83282 (synthetic), and Skydrol (phosphate ester). Verify the FITTING: 3 HOSE W/THREAD,1/4 N against your aircraft maintenance manual for fluid compatibility.

Does the 1k31-4-6-4 come pressure-tested and certified?

Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The FITTING: 3 HOSE W/THREAD,1/4 N is available in: New Surplus. Contact us for test documentation on your selected condition.

What is the turnaround time for hydraulic component orders?

In-stock hydraulic components ship same business day before 3 PM EST. We provide 24/7 AOG support at (904) 998-9101 for urgent hydraulic system needs. RFQ submissions are typically quoted within 24 hours.