Volume Pricing Here FREE Shipping Over $99 on Contiguous US Ground Orders Strong Supply Chain

4 in. Hex Nipple - NPT Threaded - 150# 316 Stainless Steel Pipe Fitting

(No reviews yet) Write a Review
1.80 LBS
Frequently bought together:


Class 150 stainless steel 304 & 316 cast pipe fittings. Features male National Pipe Taper (NPT) threads for closing the end of a female threaded pipe. Hex nipples connect with female pipes or fittings and connects with NPT threads, which create a tighter seal than straight threads. The hexagon allows for increased leverage and use with a wrench during installation and disassembly.

Stainless Steel Hex Pipe Nipples 150# Schedule 40 Pipe Fittings

Hex Nipples - 150# Stainless Steel

  • 304 stainless steel castings conform to ASTM A351 ACI Grade CF8
  • 316 stainless steel casting conform to ACI Grade CF8M (316)
  • NPT threads on pipe fittings conform to ASME B1.20.1
  • Manufacturing facility is ISO 9001:2008
  • Certified pipe fittings meet applicable chemical & mechanical properties
  • Quality guarantee on all pipe fittings
  • * Sizes 1" up to 4" may have 8 hexes instead of 6

Hex Nipple Reference Dimensions

Diameter (inches) A 304 Stainless Steel
Part Number
316 Stainless Steel
Part Number
1/8" 1.30 10-A 27-M
1/4" 1.30 10-B 27-N
3/8" 1.38 10-C 27-O
1/2" 1.67 10-D 27-P
3/4" 1.81 10-E 27-Q
1" 1.97 10-F 27-R
1-1/4" 2.28 10-G 27-S
1-1/2" 2.36 10-H 27-T
2" 2.70 10-I 27-U

* Dimensions are for reference only. If you require closer tolerances we recommend a custom machined solution.

View AllClose

Additional Information

Size (inches):
4.00 (4")
Material Type:
316 Stainless Steel
Product Type:
Hex Nipple
Pipe Fittings
Pressure Rating (psi):
End Connection:
Weight (lbs):
View AllClose

0 Reviews

View AllClose