PPS Hex-Head Nuts - Flangeless or Flanged 1/4-28 Connections ferrule 1/16'', 1/4''-28

VICI Jour SKU: JR-55050-10

Type: 1/16" Nut for use with Collapsible Ferrule
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An economically priced alternative to PEEK, this series of PPS ¼-28 nuts offers three low-pressure sealing options: inverted ferrule, flanged with washer, or VICI Jour’s patented collapsible ferrule.

These nuts provide excellent chemical and pressure resistance for 1/16” or ⅛” tubing (and 1/32” with inverted ferrule). They are fingertight when used with our
Color-Sleeve adapters.

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


Color-Sleeve adapters turn PPS nuts into fingertight fittings and color-code different solvent lines for easy identification.

A PPS nut may also be used with a PEEK ferrule and stainless-steel bushing for high-pressure applications.


A = suitable

B = marginal

C = not recommended

Chemical class Resistance
Acids, organic A
Acids, inorganic B / C*
Aldehydes A
Alcohols A
Bases B
Esters A
Halogenated org. A/B
Hydrocarbons A
Ketones A

* Not recommended for use with concentrated halogen acids For more detailed chemical resistance information, refer to Chemical Resistance of PEEK and other Polymers

For 1/16” or ⅛” OD tubing, and for 1/32” OD tubing with inverted ferrule

Material: PPS ht: Polyphenylene sulfide


1/4-28 threads

Pressure Rating: (varies with tubing material and ID)

OD Bar Psi
1/16" 105 1500
1/8" 35 500

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