1/4 in. x 1/4 in. NPT Male Industrial Brass Plug

A:  It should absolutely 

A:  This plug has been designed and tested for air compressors. We cannot recommend for a pressure washer application.

A:  Yes 

A:  You will need to refer to the instruction manual of the DEWALT air compressor to determine the fitting size that is compatible for this unit.

A:  Yes

A:  I believe that piece fits as what I have read about DeWalt compressors state they are 1/4". You may also need: 5140119-61 Quick Coupler 1/4" Air Compressor DeWalt ** Genuine OEM **

A:  The one I bought didn't have red on the thread. But I always use Teflon for air tools on the connections.

A:  No Teflon tape needed.  The red sealant is Loctite Threadlocker Red 271, a permanent solution for locking and sealing threaded fasteners.

A:  Thread seal. It is "predoped" for installation.

A:  The red part on the threads is thread sealant which is pre-applied on plug. With the red sealant, no Teflon tape is needed.

A:  It may, double check with the # listed ( most of air compressor have a# listed w/the discription of the machine)

A:  You will need to refer to the instruction manual of the Husky 120-Volt Inflator Model #HY120 to determine the fitting size that is compatible for this unit.