Nut, Ferrule, and Bushing for 1/4-28 Connections

PEEK ferrules
  • High pressure rating - up to 480 bar (7000 psi) with 1/16" tubing
  • Available for 1/16" and 1/32" tubing

This combination of PPS nut, PEEK ferrule, and stainless steel bushing allows a high pressure connection in a 1/4-28 flat-bottomed fitting detail.

Description Tubing OD Qty/pkg Product No.
PPS hex-head nut 1/32" or 1/16" PPS nut 10 JR-55050-10
Bushing and ferrule 1/32" 1/4-28 ferrule for 1/32-inch tubing 10 JR-FPKBSS.5-10
1/16" 1/4-28 ferrule for 1/16-inch tubing 10 JR-FPKBSS1-10

SPECIFICATIONS

  • For 1/32" and 1/16" OD tubing
  • Material
     Nut: PPS
     Ferrule: PEEK
     Bushing: Stainless
  • Pressure rating (varies with tubing material and ID)
    OD Bar Psi
    1/32" 175 2500
    1/16" 480 7000

MORE INFORMATION

SEE ALSO

TECH TIP

To make up the fitting, first place the nut on the tubing, followed by the bushing and then the ferrule, as shown in the photo.