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Brass Adapter, 3/8-18 Male NPT Square Head Plug

Description & Features

Engineered for demanding environments, this brass adapter is ideal for grease, refrigeration, instrumentation, and hydraulic systems. The 3/8-18 male NPT square head plug offers reliable performance with a maximum pressure rating of 150 PSI and a temperature range from -65°F to 250°F. Constructed with a durable brass body and a steel handle, this adapter ensures long-lasting use in automotive and industrial applications.

Designed for easy installation and secure connections, the adapter features a PTF SAE Short end type with a precise end size of 0.375. Please note, it is not intended for natural gas, LPG, nuclear, or aircraft applications. Its compact dimensions, with a length of 0.82 inches, make it a versatile component for various industrial setups.

SKU: IG3151X6

Supplier Part Number (MPN): 3151X6

Specifications

Application Grease, refrigeration, instrumentation and hydraulic systems. Fuel, LP and natural gas available on special order.	End Gender 1 13554	End Size 1 0.38	End Type 1 PTF SAE Short	L 0.82	Minimum Working Temperature -65	Supplier Part Number 3151X6	Thread 1 3/8-18	Thread Sealant No	Product Weight 0.07 lbs

Product Questions & Answers (1)

Question by: Roger B on Sep 3, 2025, 3:00 PM

Can this here plug handle gettin' hot, say up to 200 degrees F?

Answer by: Customer Support on Sep 5, 2025, 2:05 PM

It sure can. This adapter is rated for temperatures between -65°F and 250°F, so 200 degrees won't be a problem.