Swagelok B-4-VCO-4 brass female nut for 1/4 in. VCO O-ring face seal fittings. It secures VCO face seal connections with consistent torque and vacuum-tight reliability, supporting high-purity system performance and serviceability.

Specifications

Specification	Value
Body Material	Brass
Cleaning Process	Standard Cleaning and Packaging (SC-10)
Connection 1 Size	1/4 in.
Connection 1 Type	Female VCO O-Ring Face Seal
Flow Restrictor	No
eClass (4.1)	37030708
eClass (5.1.4)	37020517
eClass (6.0)	23110700
eClass (6.1)	37020517
eClass (10.1)	37020517
UNSPSC (4.03)	31163101
UNSPSC (10.0)	31161700
UNSPSC (11.0501)	31161700
UNSPSC (13.0601)	31161700
UNSPSC (15.1)	31161700
UNSPSC (17.1001)	31161728

System Design and Component Mixing

The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.

Do not mix/interchange Swagelok products or components not governed by industrial design standards, including Swagelok tube fitting end connections, with those of other manufacturers.