
Product Details
Specifications
- Female Side 1 – 3” NPSH Female (National Pipe Straight Hose)
- Male Side 2 – 1-1/2” NH (NST) Male (National Hose / National Standard Thread)
- Working Pressure – 300PSI Max
- Test Pressure – 1000PSI Max
- Material – T-6061 Aluminum (Aircraft Grade)
- Finishing – Anodized (99.9% Lead Free)
- NFPA Standards - 1963, 4.12, 5.1-5.6.4 (Corrosion Resistance)
- Military Standards – MIL-A-8625 Type III, Class 1
- Industrial Standards – International ASTM B221
- UL Labs Standards – 236 – 8.1 Through 8.2
- USDA Standards – 5100-190C Tables 1-4
- Origin – Made In The USA
- Warranty – 5 Year Manufacture
3" NPSH Female x 1-1/2” NH (NST) Male Fitting Anodized Aluminum
Need a female to male adapter? Look no further, this adapter will get the job done in any situation. Adapters manufactured in the USA with hard-coated anodized aluminum are made to withstand abrasion, are anti-corrosive, and can withstand the highest pressures. You can trust that these adapters will meet and EXCEED your industrial and municipal needs.

Built For Your Industry
Hardcoat anodized aluminum fittings are widely used in industrial, fire, commercial, and residential applications due to their superior strength, light weight, corrosion resistance, and mostly lead free properties. The fire industry relies on heavy duty adapters that can meet the specifications of NFPA and other fire protection organizations. The agriculture, industrial, and military industry requires the strongest and safest fittings on the market. You can be sure these USA manufactured fittings will meet your needs.

Universal For All Applications
The best part about our high quality fittings is that they work for all types of equipment and applications. Some of these examples include but not limited to: fire hoses & trucks, water pumps, PVC pipe systems, fire hydrants, commercial standpipes, marine vessels, industrial plants, chemical transfer, residential piping systems, shut off valves, & more.

Hardcoat Aluminum Benefits
- Strong and lightweight – 3 times stronger than brass and more lightweight to carry in tough situations.
- Superior corrosion resistance to salt and chemicals.
- Higher working pressures than other metals.
- Material – T-6061 Aluminum (Aircraft Grade)
- Anodized aluminum is 99.9% lead free allowing adapter to be used in various applications requiring lead free fittings.
- We NEVER use additional paint, dye, or other coloring.
- Hardcoat aluminum provides reduced electrolysis.

The 3" NPSH Female Thread Can Connect To:
- 3" NPSH Male (National Pipe For Straight Hose)
- 3" NPT Male (National Pipe Tapered)
- 3" NPTF Male (National Pipe Tapered Female)
- 3" PVC Male
- 3" NPS Male (National Pipe Straight)
- 3" NPSM Male (National Pipe Straight Mechanical)
- 3" NPSC Male (National Pipe Straight Coupling)
- 3" IPS Male (Iron Pipe Straight)
- 3" IPSM Male (Iron Pipe Straight Mechanical)
- 3" IPT Male (Iron Pipe Thread)
- 3" TIPT Male (Tapered Iron Pipe Thread)
- 3" SIPT Male (Straight Iron Pipe Thread)
- 3” MIP Male (Male Iron Pipe)
- 3” MPT Male (Male Pipe Thread)
The 1-1/2" NH (NST) Male Thread Can Connect To:
- 1-1/2" NH Female (National Hose – Fire Hose Standard)
- 1-1/2" NST Female (National Standard Thread – Fire Hose Standard)
Warranty & Guarantee
- We ABSOLUTELY 100% GUARANTEE the quality of our fire adapters.
- Your adapter will be covered by a 5 YEAR MANUFACTURE WARRANTY.
- If you are unhappy with your purchase you may return your adapters within 30 days NO QUESTIONS ASKED!
- Contact us anytime Monday-Friday 9:00am-5:00pm.
Delivery & Returns
✔️ Delivery
All products are shipped within 24 hours of ordering Monday-Friday unless otherwise specified on the individual product description page. Your tracking number will be sent via email. Your item will ship from one of our three warehouses (California, Ohio, New York) depending on your location and stock availability. Most orders ship via USPS Air Priority, UPS Ground, or FedEx Ground. Most items ship free. If you need express shipping, please call us 1 (888) 529-1521 and ask us for help.
✔️ Returns
Returns on most new and unused items are accepted within 30 days of purchase unless items are "Custom Length", "Special Order", "Used or Scrap", "Bulk Discounted Orders", "International Orders" or "Rare Fitting" . Bulk discounted orders are any order placed for 5+ items that has been discounted from the list website price through a quote, online coupon program, or other means of discounting. Custom length hoses are non-returnable. Custom lengths is anything outside of 25, 50, 75, or 100 feet. Customer is responsible for return shipping charges. If a return label is issued from Fire Hose Supply the return shipping fees will be deducted from the refund. A standard 25% restocking fee is applied to all returns. Returns must be approved before sending in. Contact us for an RGA (Return Goods Authorizations) before sending in any returns. Once your returns slip with RGA has been issued it will list instructions with a ship-to address. Any return orders sent without an RGA will be rejected.
If the buyer refuses a shipment without first requesting an RGA for any reason the buyer will forfeit their original purchase cost and all additional costs associated with purchasing the product. The buyer will NOT receive a refund. The buyer may request the product be resent within 30 days at the buyers cost. If no contact is made after 30 days of refusal the items will be discarded and the sale will be considered final.
✔️ Special Order, Custom Order, Bulk Discount Orders, Rare Fittings & International Order Items
Special order, custom order, bulk discount orders, rare items & international order items cannot be cancelled or returned. Rare fittings include but are not limited to 2", 3", and 3.5" NH (NST) fittings or any NPSH fitting. Please make sure you are 100% sure of the product specifications you are ordering. If you don't fully understand the products you are ordering, please ask us for help to confirm the correct specifications you're looking for. Special order items are usually non-standard parts or bulk orders that are custom made directly from the factory. International orders are shipped as "DAP" and the buyer is responsible for import duty taxes. International orders are non-returnable and non-refundable. If you refuse the shipment or duties for any reason you forfeit your original purchase cost and all costs associated with purchasing the product. The seller is not responsible for any import or shipping fees outside of the original purchase price of the goods.