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Steel Reusable Air Brake Adapter, 1/4-18 Male NPT To 3/4-20 USF Male USF Swivel, Straight

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Description & Features

This steel reusable air brake adapter features a 1/4-18 male NPT end and a 3/4-20 USF male USF swivel end, offering a reliable connection in air brake systems.

Manufactured by Eaton Aeroquip, this Steel Reusable Air Brake Adapter ensures quality and durability. It is designed for use with air brake reusable steel fittings.

SKU: 2038-4-8S

Supplier Part Number (MPN): 2038-4-8S

Alternate Part Numbers: C1AY13, MI-00331546, MINO-00015F71887

Specifications

Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13554
End Gender 2
13556
End Size 1
0.75
End Size 2
0.25
End Type 1
NPTF
End Type 2
MPT
Mandrel Required
No
Supplier Part Number
2038-4-8S
Thread 1
1/4-18
Thread 2
3/4-20 USF
Thread Sealant
No
Alternate Part Numbers
Alternate Part Number C1AY13, Alternate Part Number MI-00331546, Alternate Part Number MINO-00015F71887, Alternate Part Number MINO-00925X09125
Product Weight
0.06 lbs

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Product Questions & Answers (2)

Question by: Brett T on Nov 21, 2025, 8:53 PM
What size are the threads on this adapter?
Answer by: Customer Support on Nov 23, 2025, 5:54 PM
It comes with 1/4-18 male NPT on one side and 3/4-20 USF male on the other.
Question by: Floyd R on Jul 25, 2025, 8:34 PM
got an air brake hose with 1/4-18 male npt on one end and i need to land it on a 3/4-20 usf swivel, is this the right adapter?
Answer by: Customer Support on Jul 27, 2025, 6:32 PM
Match the ends and threads and it lines up. This adapter is straight, steel, and it goes from 1/4-18 male NPT on one side to a 3/4-20 USF male USF swivel on the other.