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B & K

5/8-Inch Flare X 3/4-Inch MIP Brass Male Union

Mfg.#
FL-371B
Sku#
2635647
  • Links two lengths of tubing into one continuous line
  • Constructed of durable, lead-free brass
  • Brass is corrosion-resistant and can be used indoors and outdoors
  • Applications Include grease, natural gas, refrigeration and AC
  • Compatible with aluminum tubing, brass pipe, copper tubing & steel hydraulic tubing

* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

Description

Unions connect two lengths of tubing together, further lengthening the plumbing line. Constructed of lead-free brass, brass flare fittings are ideal for grease, natural gas, and refrigeration/ac applications. The brass construction makes this fitting corrosion-resistant and is able to be used indoors and outdoors. Flare fittings can be used in conjunction with aluminum tubing, brass pipe, copper tubing & steel hydraulic tubing.

Nominal information shown.

Specifications

General

Connection Type 1 FLM
Connection Type 2 MIP
Inlet Connection Size 5/8 in Dia
Material Brass
Outlet Size 3/4 in
PSI 100
Series ProLine
Temperature Rating Min: 32° F; Working: 140° F; Max: 180° F
Type Flare Union

Dimensions

Height 1.2 in
Length 1.8 in
Weight 0.19 lb
Width 1.2 in

Manufacturing Details
The following information is subject to change without notice

Manufacturer Warranty 1 yr Limited
Prop 65 Warning Warning This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

Label Information

Certification, Codes, Standards NSF/ANSI 372,AB 1953

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