Skip to content
Login for the best B2B Wholesale Experience.
Login for the best B2B Wholesale Experience.
66HD-4-4 by Parker | Hi-Duty Fittings | 1/4" Tube Size Connector x 1/4" Female Pipe Thread | Min. Orifice Size: .187" | .562" Hex | 1.593" Length | Straight | Brass | Pack of 10

66HD-4-4 by Parker | Hi-Duty Fittings | 1/4" Tube Size Connector x 1/4" Female Pipe Thread | Min. Orifice Size: .187" | .562" Hex | 1.593" Length | Straight | Brass | Pack of 10

Save $22.62 Save $22.62
$166.35
$166.35 - $166.35
$166.35
$143.73
$143.73 - $143.73
$143.73

by Parker Hannifin
Hi-Duty Flareless Tube Fittings:Female Connector 66HD

Package Quantity: 10 Units

Specifications for Variant SKU: 66HD-4-4 Parker | 10 |
Series: 66HD Series
Shape (Orientation): Straight
Material(s): Brass
Special Properties: Fuel Grade
Product Features:
  • All brass construction
  • Two piece fitting
  • Higher pressure rating
  • Easy assembly
Markets:
  • Mobile
  • Industrial
  • Compressors
  • Lubrication
Applications:
  • Lubrication Lines
  • Coolant Lines
  • Oil Lines
  • Engines
Specification:
Pressure Range: Up to 150 PSI (10.3 bar)
Temperature Range: -65° to +250° F (-53.8° to +121.1° C)
Pressure Range: See Chart Below
Compatible Tubing:
  • Copper
  • Brass
  • Seamless Steel
  • Thermoplastic Tubing
Part Number Tube Size Pipe Thread Minimum Orifice Size A B Hex (C)
66HD-2-2 1/8" 1/8" .093" 1.312" 1.000" .500"
66HD-4-2 1/4" 1/8" .187" 1.406" 1.000" .562"
66HD-4-4 1/4" 1/4" .187" 1.593" 1.187" .687"
66HD-6-2 3/8" 1/8" .312" 1.531" 1.125" .625"
66HD-6-4 3/8" 1/4" .312" 1.718" 1.312" .625"
66HD-6-6 3/8" 3/8" .312" 1.750" 1.343" .812"

Parker Fluid System Connectors Division

Parker Fluid System Connectors Division delivers quality and service from design to delivery. Their engineers leverage advanced technology to create prototypes, refine designs, and improve manufacturing efficiencies, offering tailored solutions. ISO 9001 certified and focused on sustainability, they utilize recyclable materials and a brass chip recycling program to protect the environment and control costs. Flexible assembly, packaging, and shipping systems support diverse needs, including kitting and custom labeling, ensuring high-quality products and outstanding customer support.

Shop Parts by Parker Fluid System Connectors Division