Parker 1J977-10-10 Seal-lok 90 Elbow Hydraulic Fitting 6000 Psi

Product Description

The PARKER 1J977-10-10 is a female Seal-Lok swivel short drop 90-degree elbow hydraulic hose fitting designed for high-pressure fluid conveyance in mobile and industrial hydraulic systems. Built from steel with an SAE O-ring straight thread connection, it provides a reliable, leak-resistant seal at pressures up to 6,000 psi. The swivel design allows the fitting to rotate during assembly, reducing hose twist and strain at installation. It accepts a hose inside diameter of 0.625 inches (hose size 10) and connects via 1-14 straight thread. Licensed hydraulic technicians and fluid power mechanics install this type of fitting in demanding on- and off-highway equipment applications.

This fitting is rated for use with Parker 387, 487, 787, and 797 hose series in TC and ST configurations. The short drop 90-degree elbow geometry is suited for installations where hose routing must clear obstructions or change direction in tight machine envelopes. It is commonly found in loader arms, crane circuits, agricultural equipment, and other hydraulic assemblies where space constraints prevent a straight or long-drop connection. The swivel feature simplifies final hose positioning without compromising thread engagement.

Key Features

• 6,000 psi pressure rating suitable for high-pressure hydraulic circuits
• Female Seal-Lok swivel design allows rotation during assembly to prevent hose twist
• SAE O-ring straight thread connection type for leak-resistant sealing
• Steel construction for durability in mobile and industrial hydraulic environments
• Short drop 90-degree elbow geometry aids routing in confined spaces
• Conforms to ISO 12151-1-SWES90 standard

Compatibility

Designed for use with Parker 387 TC ST, 487 TC ST, 787 TC ST, and 797 TC ST hydraulic hose series at hose size 10 (0.625 inch inside diameter) with a 1-14 thread size.

Installation Notes

Installation should be performed by a qualified hydraulic technician or fluid power mechanic. Relieve all system pressure and depressurize hydraulic lines before removing or installing any fitting. Verify that the O-ring is properly seated and undamaged before making up the connection, and tighten to the fitting manufacturer's specified torque procedure using calibrated tools. Inspect the assembly for leaks before returning the system to service.