Acronyms
Taper Threads
Straight Threads
NPT vs BPT
Misc
100

BSP

What is British Standard Pipe Thread?

100

Better sealing opportunity

Why are tapered threads tapered?

100

Parallel Pipe Thread

What is another term for straight pipe thread?

100

60 Degree Angle

What is the thread angle for NPT thread?

100

MPT

What is Male Pipe Thread abbreviated as? 

200

NPT

National Pipe Thread or National Pipe Taper are abbreviated as what?

200

Hand Make-Up

What is the number of threads you can hand thread taper pipe threads together? 

200

Not Recommended in fact highly discouraged.

Should we use any form of sealant directly on the threads of a straight thread joint?

200

Thread roots and crests are rounded 

What is the thread structure of a BSP fitting?

200

Nia and Norah

What are the names of my dogs?

300

GHT

Garden Hose Thread is also known as?

300

Still recommended where needed

Should we use Teflon tape or sealants on tapered pipe threads?

300

Same as taper threads

What is the thread pitch and structure of a straight thread?

300

1/2" or 3/4" Nominal Pipe Size

What BPT and NPT thread share the same thread pitch?

300

Used on fire hose

What is NH or NST thread for?

400

FPT

Female Pipe Thread is abbreviated as?

400

1.789 degrees

What is the angle of the taper on tapered pipe threads?

400

Pipe thread that maintains it OD over the coarse of the pipe

What is Straight or Parallel pipe thread?

400

5 Degrees

What is difference in thread angle between BSP and NPT threads?

400

Non-reusable fitting

NPTF threaded fitting are considered what?

500

NPTF

National Pipe Thread Fuel is abbreviated as?

500

Threads that expand along a pipe

What are taper pipe threads?

500

O-Ring, Washer, or Flare

What seals a straight thread

500

Thread roots and crests are straight

What is the thread structure of NPT threads?

500

G38

What is the part designator for 3/8" BSPP?