Shop Stratoflex 44104-04E-E17 - GSE QD Nipple, Phosphate Ester

The Parker Stratoflex 44104-04E-E17 is the aircraft-side quick disconnect nipple half of the proven 441xx/440xx GSE QD series, engineered for 3,000 psig hydraulic ground service connections between hydraulic ground carts and aircraft hydraulic systems. Rated for phosphate ester and Skydrol Type IV fluid compatibility via the E17 seal package, this -4 size fitting meets SAE AS33514E04 end fitting requirements and is qualified to SAE AS1709 performance standards — making it a trusted solution for MRO technicians, military ground crews, and airline maintenance operations worldwide.

Key Features

• Aircraft-side nipple (441xx series) — mounts on the aircraft hydraulic service panel or access point, providing the interface for ground servicing connections
• Thread-to-connect design with positive visual and tactile confirmation of full engagement, reducing the risk of improper connection in high-tempo maintenance environments
• Phosphate ester / Skydrol Type IV compatible seals (E17) — suitable for aircraft hydraulic systems running fire-resistant fluid
• Qualified to SAE AS1709 and meets SAE AS33514E04 male flareless end fitting standard
• Simple one-hand connect and disconnect operation for speed and ergonomic ease during aircraft ground servicing
• Lightweight aluminum alloy and stainless steel construction balances durability with weight efficiency
• Designed to protect system integrity without restricting fluid flow rate
• Approved on U.S. Government selected NSNs — supports military aviation programs
• Compatible locking dust cap: C44000-04-E17 — protects sealing surfaces during normal aircraft operation when not connected to ground cart

Specifications

• Part Number: 44104-04E-E17
• Series: 441xx GSE QD Nipple (Aircraft Side)
• Size: -04 (¼" nominal)
• Fluid Compatibility: Phosphate Ester / Skydrol Type IV (E17 seal package)
• Rated Operating Pressure: 3,000 psig
• End Fitting Standard: SAE AS33514E04 — Male Flareless
• Performance Specification: SAE AS1709
• Connection Style: Thread-to-connect
• Construction: Aluminum alloy and stainless steel
• Compatible Ground-Side Coupler: 44004-04E-E17
• Compatible Dust Cap: C44000-04-E17

Applications

The 44104-04E-E17 is the standard aircraft-side interface fitting for 3,000 psig hydraulic ground service operations on a wide range of commercial and military platforms. Qualified programs include the A-10, C-130, CH-47, H-60, Embraer E170, E190, Bombardier CRJ series, and a range of current and new aircraft platforms for both military and commercial jets. The nipple half is typically installed on the aircraft hydraulic service panel and paired with the 44004-04E-E17 ground cart coupler. For contamination protection between servicing events, use the C44000-04-E17 locking dust cap. Reference Parker Stratoflex Catalog 106-GSE for full dimensional and sizing data.