FD49-1042-06 Eaton FD49 Series Standard Coupling Dust Cap/Plug - Buna-N

FD49-1042-06 Eaton


Eaton FD49 Series - NFPA Standard T3.20.15 HTMA Interchange - Dust Cap / Dust Plug - Buna-N
Eaton's FD49 Series meets NFPA standard T3.20.15 and was developed in conjunction with HTMA (Hydraulic Tool Manufacturer's Association). Eaton's Twin-Guard™ sealing system prevents weepage at low pressures and allows connection and disconnection against pressure up to 500 psi.

Eaton's Twin-Guard™ seal system consists of channel and Buna-N O-Ring seals. The channel seal prevents blowout during connection and disconnection under pressure to 500 psi. The Buna-N O-Ring seal is a secondary seal eliminating fluid weepage.

See How to Order

Please reference Fluid Compatibility Chart (Both the elastomer and metal must be considered when determining suitability of combination for a coupling)


Applications & Markets:
  • Hydraulic Tool (HTMA interchange)
  • Hydraulic and fluid transfer
Product Features:
  • Dual flush face valving for minimal fluid loss and air inclusion
  • Tubular valve and sleeve construction for high fluid flow with low pressure drop
  • Push-to-connect latching for one hand operation
NFPA Standard: T3.20.15 HTMA (Hydraulic Tool Manufacturer's Association)
Standard Body Material: High resistance carbon steel with zinc trivalent plating
Standard Seal Material: Teflon channel seal and Buna-N O-Ring backup

Dust Cap/Plug - Standard Coupling

Part Number
Body Size
FD49-1042-06 3/8 Standard
FD49-1088-06 3/8 Heavy Duty
NOTE:  Fits male and female halves.
More Information
Part Number FD49-1042-06
Location Each
Series No
Material Buna-N
Body Size 3/8
End Type Dust Cap / Dust Plug
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