This nickel-plated brass union straight is a locking-type push-on tube fitting offered with metric application tube sizes from 4 to 12 mm. Each pack contains 5 fittings of the selected size.
Product specifications
- Product type: union straight locking tube fitting.
- Connection description: push-on, locking type.
- Material: brass with a nickel-plated finish.
- Application tube sizes: 4, 6, 8, 10 and 12 mm.
- Pack quantity: 5 pieces.
How to select a straight locking fitting
Identify the tubing specification and select the required application tube size. Confirm the connection dimensions at both ends, tube outside-diameter requirements and locking procedure against the technical drawing. The straight union description identifies the fitting layout; it does not establish the pressure rating or compatible media.
Frequently asked questions
Which tube sizes are available?
The listed application tube options are 4, 6, 8, 10 and 12 mm.
What material and pack quantity are listed?
The product is nickel-plated brass, supplied in packs of 5 pieces.
Can I select it for a pneumatic or hydraulic application?
The original description refers to pneumatic and hydraulic fittings, but it does not provide application-specific ratings. Confirm the intended medium, operating pressure, temperature limits and tubing compatibility against the technical specifications before selecting it for either system.
Does this listing provide locking instructions?
The product is listed as a locking-type push-on fitting. Confirm the required assembly and locking procedure from the product instructions before installation.

