The ACR Industries Brass NPT Socket Hex Plug 23155X4 ensures reliable performance in various industrial applications. This Brass Adapter 1/4-18 Male NPT Countersunk Hex Plug offers a secure and leak-free connection ideal for systems requiring precise thread fitting.
Designed with a 1/4-18 Male NPT thread this countersunk hex plug provides a tight seal without the need for additional thread sealant. The brass construction offers excellent corrosion resistance and durability making it suitable for demanding environments.
Featuring a countersunk hex design the plug allows for easy installation and removal with standard tools. Its robust and precise build makes it a valuable component in ensuring system integrity and efficiency.
Brand: ACR Industries
Supplier Part Number: 23155X4
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Specifications
Alternate Part Numbers
Alternate Part NumberC1BE37, Alternate Part Number MI-08754477, Alternate Part Number MINO-01769X80127
Brand
ACR Industries
Brand
ACR Industries
Pack Size
1.00
UOM
EA
L
0.45
Supplier Part Number
23155X4
Thread 1
1/4-18
Thread Sealant
No
Product Weight
0.02 lbs
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Product Questions & Answers (3)
Question by: Duane P on Oct 20, 2025, 6:02 AM
does this plug need any kind of thread tape or sealant to seat right, or is the brass fit tight enough on its own?
Answer by: Customer Support on Oct 22, 2025, 7:49 AM
Brass NPT threads on a countersunk hex plug like this one are machined to create a mechanical seal as they're tightened into the port. The 1/4-18 NPT taper does most of the work, and the product is noted as providing a leak-free connection without requiring additional thread sealant. That said, some folks in higher-pressure systems still run a wrap of PTFE tape out of habit, and there's no harm in it.
Question by: Earl C on Nov 25, 2025, 6:05 AM
got a port with 1/4-18 npt threads. is this the right plug for it
Answer by: Customer Support on Nov 27, 2025, 6:19 AM
For a 1/4-18 male NPT thread match, this plug is built for that exact thread size and is meant to seal off a matching NPT port with a tight, secure fit.
Question by: Dean M on Sep 24, 2025, 4:04 PM
Will this plug work alright for somethin' that's gonna be outside most of the time?
Answer by: Customer Support on Sep 26, 2025, 6:12 AM
Brass offers good corrosion resistance, so this plug should hold up well in outdoor environments.
