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1/2 A.B. PTC X 1/4 FNPT BRASS CON.

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Description & Features

This Weatherhead adapter fitting features a 1/2 in. Aeroquip Push to Connect end and a 1/4 in. female NPTF end. The 1/2 A.B. PTC X 1/4 FNPT BRASS CON. is constructed from brass for durability and corrosion resistance.

This straight adapter offers design flexibility for various hydraulic applications and features Dura-Kote plating for enhanced corrosion protection. It is designed to meet or exceed SAE standards for operating pressures.

SKU: 1866X8X4

Supplier Part Number (MPN): 1866X8X4

Specifications

Brand
Danfoss
Connection Size 1
1/2 in
Connection Size 2
1/4 in
Connection Type
FNPT, Tube
Connection Type 1
Tube
Connection Type 2
Female NPT
Dimension Standards
SAE AA0103
Dimensions
1.66 in L
Fitting Type
Connector
For Use With
Air Brake Tubings
Hex Size
0.81 in
Material
Brass
Material Construction
Brass
Series
1866X Series
Thread Sealant
Without Thread Sealant
Tube OD
1/2 in

Product Questions & Answers (1)

Question by: Vince R on Feb 5, 2026, 2:40 PM
Is that 1/4 inch end on this thing standard pipe thread?
Answer by: Customer Support on Feb 7, 2026, 7:06 AM
Yes, the 1/4 inch end is a female NPTF, which is a standard tapered thread for hydraulic connections and hydraulic fittings.

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