SpringSpray HAFM1515 1-1/2 in NPT Female to NST Male Brass Hex Nipple

SpringSpray HAFM1515 is a brass hex nipple with a 1-1/2-inch NPT female end and a 1-1/2-inch NST male end. Its middle hex section is intended to give a wrench a bearing surface during adjustment, making thread compatibility the key buying check.

At a glance

Connects a 1-1/2-inch NPT female thread to a 1-1/2-inch NST/NH male thread, according to the listing.
The central hexagonal section is described as providing a wrench bearing surface for adjustment.
The listing describes brass as corrosion-resistant and suitable for general firefighting applications.

Price

$41.73Save 5%

Reference price: ~~$43.93~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

The NPT female and NST/NH male ends serve a specific connection mismatch without changing nominal thread size.
A central hex section provides a place to apply a wrench during installation or adjustment.
Brass construction is claimed by the listing.

Technical specifications

9 specifications

Identity
Brand	SpringSpray
Model	HAFM1515
Connector type	Adapter
Number of pieces	1

Connections
Size	1-1/2" NPT Female x 1-1/2" NST Male
Thread size	1.5 inches
Thread type	NPT, NST/NH

Dimensions and installation
Dimensions listed	6 x 5.4 x 3.7 centimetres

Materials and finish
Material listed	Brass

What to know before buying

Listing details to confirm

Confirm that the mating components use the stated 1-1/2-inch NPT female and NST/NH male thread types. The listing gives both NPT and NST/NH as the thread type, while its size field specifies the direction of each end. It does not provide pressure or certification ratings.

Who is it for?

A good fit for

Buyers connecting a 1-1/2-inch NPT female fitting to a 1-1/2-inch NST/NH male connection.
Fire equipment or pipe installations where a short threaded brass adapter with a wrenchable hex section is needed.

Less suited to

Buyers who need different thread types, sizes, or a published pressure or certification rating.

SpringSpray HAFM1515 1-1/2 in NPT Female to NST Male Brass Hex Nipple · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 306 ratings

5 stars86%86%
4 stars7%7%
3 stars5%5%
2 stars1%1%
1 star1%1%

Customer feedback reports a good fit, perceived quality, and durability in daily use, including holding fast during installation. These are customer impressions rather than verified performance claims. For buyers matching the stated NPT female and NST/NH male threads, fit is especially relevant, but the listing does not supply a pressure rating or certification.

Positive themes

Customer feedback describes the fitting as fitting as expected and holding fast during installation.
Customers also report positive impressions of quality and durability.

Frequently asked questions

What connections does the HAFM1515 have?

The listing specifies a 1-1/2-inch NPT female connection on one end and a 1-1/2-inch NST male connection on the other. It also identifies NST as NST/NH.

What is the hex section for?

The listing says the central hex section provides a bearing surface for a wrench when adjusting the fitting.

Is a pressure rating provided?

No pressure rating or certification is stated in the supplied product details. Confirm suitability for the intended system before use.