Fittings & Fitments

Meaning: 
Male Iron Pipe

MIP is a commonly used shorthand designation for Male Iron Pipe (Male NPT).

Meaning: 
Metric thread designation
Meaning: 
Joint Industry Council
Meaning: 
Garden Hose Thread

The following information will be expanded as more is learned...

Meaning: 
Same as BSPP

The G thread is a designation for BSPP (British Standard Pipe Parallel).  For example,

G 1/4

Meaning: 
Female Pipe Taper (NPT)

FPT is a comonly used shorthand designation for Female NPT.  FPT should not be confused with NPTF (Dryseal thread), althoufh the two are compatible, providing a thread sealant is used.

Meaning: 
Female Iron Pipe (NPT)

FIP is a comonly used shorthand designation for Female Iron Pipe (Female NPT).

Meaning: 
British Standard Whitworth

British Standard Pipe threads have a BSW (Whitworth) thread profile. 

In contrast, American Pipe threads (NPT, NPS, etc.) have a Sellers thread profile.

Meaning: 
British Standard Pipe Taper

BSPT are tapered pipe threads which are used either for mechanical joints or where fluid sealing is accomplished at the interference of the threads.  A sealing compound or joint tape is required.

Meaning: 
British Standard Pipe Parallel

BSPP are Parallel (straight) threads which are used either for mechanical joints or where fluid sealing is accomplished with an o-ring or flat washer at the base of the threads.

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