BRASS #8 PTC A.B X #4 MP 90*

Description & Features

Designed for air brake system connections, this brass Push-to-Connect to NPTF Male 90° Elbow Adapter provides a reliable transition between a 1/2 in. push-to-connect fitting and a 1/4 in. male NPTF thread in a compact right-angle configuration. Manufactured under the Weatherhead sub-brand by Aeroquip, the BRASS #8 PTC A.B X #4 MP 90* is rated for a minimum working temperature of -40°F and meets SAE J1131 and SAE AA0302 certification standards.

Constructed from brass with Dura-Kote plating, this adapter offers strong corrosion resistance suited to demanding mobile and industrial air brake applications. The swivel elbow design supports installation flexibility, and operating pressures exceed standard SAE requirements. With hundreds of compatible styles available in the Weatherhead fitting line, sourcing complementary components for a complete assembly is straightforward.

SKU: 1869X8X4

Supplier Part Number (MPN): 1869X8X4

Specifications

Brand
Danfoss
Connection Size 1
1/2 in
Connection Size 2
1/4 in
Connection Type
MNPT, Tube
Connection Type 1
Tube
Connection Type 2
Male NPTF
Dimension Standards
SAE AA0302
Fitting Type
90 deg Elbow
For Use With
Air Brake Tubings
Material
Brass
Material Construction
Brass
nmfc
60
Series
1869X Series
Thread Sealant
Without Thread Sealant
Tube OD
1/2 in

Product Questions & Answers (1)

Question by: Cindy A on Jan 3, 2026, 8:19 PM
What kinda operating temperatures can this thing handle?
Answer by: Customer Support on Jan 5, 2026, 6:57 AM
This adapter is rated to handle a minimum working temperature of -40°F, so it should hold up in pretty cold conditions.

Tell us what you need and we'll get back to you.

Fields marked * are required.