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NPXB4035 has been discontinued
Discontinued December 12, 2025
This product was discontinued by the manufacturer.
This item replaces: NPX4035
Suggested Alternative:
Product Highlights
–
4"
3-1/2" Length
Description
–
4" x 3-1/2" Black Schedule 80 Heavy Duty Nipple
**Image may not represent actual product.**
**Image may not represent actual product.**
Specs
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| Product Type: | Black Nipple |
|---|---|
| Size: | 4" |
| Type: | Schedule 80 |
| Length (Inches): | 3-1/2" |
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Product Reviews
5 out of 7 reviews
100% would recommend this product
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100%
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0%
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Showing 1-7 of 7 reviews
I would buy this again
good quality
db
MO
3 years ago
Verified Buyer
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I would buy this again
good quality
db
MO
3 years ago
Verified Buyer
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I would buy this again
good quality
db
MO
3 years ago
Verified Buyer
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I would buy again
Used to make a stand for 1.25" dowels
GD59
Long Island NY
4 years ago
Verified Buyer
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Pipe nipples
Just as ordered, fast shipping
Max
Michigan
6 years ago
Verified Buyer
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great products
I have ordered several things from Supply House for the parts i need to build a propane forge. They have always been shipped quickly and the shipping is very reasonable.
vern
OH
7 years ago
Verified Buyer
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i buy in large quantities most always stock is on hand
I buy all plumbing from u in large quantities. ship as scheduled use in mfg of equipment
dortie
navarre, oh
9 years ago
Verified Buyer
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Product Q&A
1 Question1 Question
Q: Is black iron pipe good to use on boiler system hot water heating system
Asked by Kevin 10 years ago
Add your answer
Verified Reply- SupplyHouse StaffYes, Black iron pipe may be used in a hot water heating system. It provides good support to the system components vs copper pipe.
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