12342 (12-342) by Midland | Metric Hydraulic Brake Fitting | Metric Union | 3/16" British Brake Lines (3/8-24 Bubble) | Straight | Brass

12342 (12-342) by Midland | Metric Hydraulic Brake Fitting | Metric Union | 3/16" British Brake Lines (3/8-24 Bubble) | Straight | Brass

Sale price$9.18

Midland Industries
Brass Fitting - Metric Hydraulic Brake Fitting - Metric Union - Brass
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Quantity Price Each
10–39 $8.63
40–79 $7.80
80+ $6.89
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Product Data:

Shape:

Straight

Material(s):
  • Brass
Specifications and Approvals:
  • ASA
  • ASME
  • SAE
  • MS (Military Standards)
Applications: Hydraulic brake, power steering, fuel lines and transmission cooler lines, LP and natural gas. Used With: Copper, brass, aluminum and steel hydraulic tubing that can be flared.
SAE Rating: N/A Conformance: Meets specifications and standards of ASA, ASME, SAE and MS (Military Standards).
Vibration: Excellent resistance. Temperature Range: -65°F to +250°F (-53°C to +121°C) range at maximum operating pressures.
Advantages: Very low cost and reusable. Seats and threads are internal and protected. Compact, excellent vibration life. Short nut affords very close tube bends. Tolerance: +/- .03 on all dimensions.
Working Pressure Ranges:
  • Temperature and type of tubing used are important factors. However, the following table is a good guide for proper selection. Temperature 73°F with copper tubing:
Assembly Instructions:
  • 1) Cut tubing to desired length. Make sure all burrs are removed and ends are cut square.
  • 2) Slide nut on tube. Threaded end "A" of nut must face out.
  • 3) Flare end of tube with a 450 flaring tool.
    • A) Measure flare diameter
    • B) Examine flare for excessive thin out.
    • C) On thin wall, welded or brazed tubing, use double flare to prevent pinch-off and cracked flares.
  • 4) Lubricate threads and assemble to fitting body. Nut should be turned hand tight.
Tube OD 1/8" 3/16" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1"
Thread OD
(Threads per inch)		 5/16-28 3/8-24 7/16-24 1/2-20 5/8-18 11/16-18 3/4-18 7/8-18 1-1/16-16 1-3/16-16 1-5/16-16
Standard Metric Threads:
Description
Tube Size		 Thread OD Crest
(Pitch)		 Thread
Description
Japanese 3/16" 10mm 1.0mm M10 x 1.0
European 3/16" 10mm 1.0mm M10 x 1.0
GM 6mm 12mm 1.0mm M12 x 1.0
Fuel 5/16" 14mm 1.5mm M14 x 1.5
Fuel 3/8" 16mm 1.5mm M16 x 1.5
Measuring Metric Threads: Measure the O.D. of the threads and the crest to crest distance (pitch) in millimeters between threads.
Part Number Description A Hex Ref # Approx. Weight
(Lbs.)
12342
(12-342)		 British Brake Lines 3/16 (3/8-24 Bubble) 0.87" 0.50" 1594 0.03
12343
(12-343)		 European Brake Lines 3/16"(10.0MM) 1.04" 0.56" 7975 0.04
12344
(12-344)		 Japanese Brake Lines 3/16 (M10 x 1.0) Inverted 1.00" 0.50" 7934A 0.04

Midland Industries

Midland Industries is a family of brands recognizable industry wide. Midland is a supplier of brass fittings, valves, and accessories for hose, pipe and tube in brass, bronze, stainless steel, steel, malleable iron, and plastics.

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