Mueller Streamline 521-321 3/8 x 1/4 Malleable Coupling FPT x FPT (3/8 inches x 1/4 inches)

Product Description

The Mueller Streamline 521-321 is a 3/8" x 1/4" malleable coupling with female pipe thread (FPT) x female pipe thread connections. It is intended for use with black iron pipe fittings and is listed under part number BLIF-038.025-CPL and product SKU BLIF-038.025-CPL. The coupling provides a threaded transition between 3/8" and 1/4" pipe sizes for plumbing and pipe-joining applications.

• Size: 3/8" x 1/4" coupling for threaded pipe transitions
• Connection: Female pipe thread (FPT) x female pipe thread (FPT)
• Type and material: Malleable coupling intended for black iron pipe fittings

Product Highlights

3/8" x 1/4" malleable coupling with FPT x FPT connections

Product Information

Standard Information

• Brand: MUELLER STREAMLINE
• Manufacturer Part Number: 521-321

Technical Specifications

• Brand: Mueller Streamline
• MPN: 521-321
• Part Number: BLIF-038.025-CPL
• Product SKU: BLIF-038.025-CPL
• Type: Coupling
• Size: 3/8" x 1/4"
• Connection Type: Female pipe thread (FPT) x female pipe thread (FPT)
• Material: Malleable
• Intended Use: Black iron pipe fittings
• UOM: EA