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MB Sturgis 06-1381 High-Pressure Propane Hose 3/8" Female Flare Swivel x 3/8" MPT 72" -- UL/CGA Certified, 350 PSI, Made in USA

MB Sturgis 06-1381 high-pressure propane hose 72 inch with 3/8 inch female flare swivel and 3/8 inch male pipe thread fittings, UL/CGA certified
MB Sturgis High-Pressure Propane Hose - 3/8" Female Flare Swivel x 3/8" MPT - 72"
 
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Part Number: 100040-72
Manufacturer: MB Sturgis

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MB Sturgis 350 PSI Rated UL/CGA Certified -- Made in USA MB Sturgis 06-1381 High-Pressure Propane Hose -- 3/8" Female Flare Swivel x 3/8" MPT, 72"

A full 6-foot propane hose built for high-pressure appliance connections on RVs, campers, and outdoor cooking setups. The swivel fitting on the female flare end makes for easy, no-twist hookup to your tank or regulator outlet, while the 3/8" male pipe thread end connects directly to high-pressure burners, wok ranges, fryers, griddles, and other BTU-hungry appliances. UL-listed and CGA-certified -- not a bargain import.

Six Feet of Reach for High-Output Propane Appliances

Most compact propane hoses top out at 12" or 24" -- enough for a simple tabletop hookup but not enough to run a high-BTU burner safely away from your propane source. This 72" (6 ft) hose gives you real working distance, letting you position your appliance away from the tank, regulator, or bulkhead fitting without putting stress on the connections.

The 3/8" female flare swivel inlet mates with standard POL/QCC regulator outlets and propane fittings that terminate in a 3/8" male flare. The swivel design means you can tighten the connection without twisting or kinking the hose body -- critical on a 6-foot assembly. The 3/8" MPT (male pipe thread) outlet threads directly into the gas inlet of compatible high-pressure appliances or manifolds.

350 PSI Pressure Rating

Handles full high-pressure propane supply -- well above regulator output pressures used in typical RV and outdoor cooking applications.

Swivel Female Flare Inlet

3/8" female flare swivel prevents hose twist during tightening and allows repositioning without loosening fittings.

Wide Temperature Range

Rated -40 deg F to 140 deg F -- performs in cold-weather camping and hot outdoor cooking environments alike.

UL Listed / CGA Certified

Meets Underwriters Laboratories and Compressed Gas Association standards. Required for use at many RV parks and campgrounds.

Who This Hose Is For

This hose is designed for high-pressure propane applications -- meaning it is used on the high-pressure side of the supply, before or in place of a two-stage regulator, or downstream of a high-pressure regulator supplying outdoor appliances. Common uses include:

  • High-BTU outdoor burners and wok ranges
  • Outdoor griddles (Blackstone and similar) with 3/8" MPT inlets
  • Turkey fryers and large-capacity propane cookers
  • Propane forge and foundry setups
  • RV-mounted or camp-kitchen propane manifold extensions
  • Replacement hose on existing high-pressure propane assemblies
Made in the USA -- MB Sturgis manufactures this hose domestically to consistent quality standards. The rubber hose body is oil-resistant and propane-compatible; the fittings are brass. Each hose ships individually bagged with fitting protectors.

Thread and Fitting Details

Getting the fittings right is the most important part of any propane hose purchase. Here is exactly what is on each end:

  • Inlet (tank/regulator side): 3/8" Female Flare Swivel -- this is a left-hand thread flare nut on a swivel body. It connects to any 3/8" male flare fitting, which is the standard termination on most high-pressure propane regulators and many POL adapters.
  • Outlet (appliance side): 3/8" MPT (Male Pipe Thread, also called NPT) -- threads into a 3/8" female NPT port on the appliance, manifold, or fitting. This is a straight (not flare) pipe thread; use an appropriate thread sealant rated for propane gas (PTFE tape or liquid pipe dope).
Flare vs. Pipe Thread -- Know Before You Buy: The inlet flare fitting and the outlet pipe thread are two different connection standards. Flare fittings seal on the angled flare seat and should NOT use thread sealant on the flare face. The MPT outlet uses pipe thread sealant. Do not mix these up during installation.

Installation Tips

  • Apply propane-rated PTFE tape or liquid pipe dope to the 3/8" MPT (male pipe thread) end before threading into your appliance.
  • Do NOT use thread sealant on the female flare swivel end -- the flare seat provides the seal.
  • Hand-tighten the swivel nut first, then snug with a wrench -- typically 1/4 to 1/2 turn past hand-tight for a flare fitting.
  • After connection, perform a leak test with soapy water or a dedicated leak detector spray before igniting any appliance.
  • Route the hose to avoid sharp bends, contact with hot surfaces, and vehicle exhaust paths.
  • Inspect hose body and fittings before each use; replace if cracking, kinking, or corrosion is visible.
Maintenance Reminder: Propane hoses should be inspected at the start of each camping season and replaced if the hose shows any brittleness, cracking, or if fittings show signs of corrosion or damage. The MB Sturgis warranty covers manufacturer defects for 1 year from date of purchase.
High-Pressure Application Only: This hose is rated for high-pressure propane use. It is not a low-pressure appliance hose. Confirm that your regulator output and appliance inlet are both compatible with high-pressure propane supply before installing.

Hose Specifications

ManufacturerMB Sturgis
Vendor Part Number06-1381
SKU69-6607
UPC764560528458
Country of OriginMade in USA
Weight2 lbs

Performance Ratings

Maximum Pressure350 PSI
Temperature Range-40 deg F to 140 deg F
Gas TypePropane (LP Gas)
ApplicationHigh-Pressure
CertificationsUL Listed, CGA Certified
WarrantyLimited 1-Year Manufacturer Warranty

Dimensions and Fittings

Hose Length72 inches (6 ft)
Hose Inner Diameter3/8" ID
Inlet Fitting3/8" Female Flare Swivel (left-hand thread)
Outlet Fitting3/8" MPT (Male Pipe Thread / NPT)
Fitting MaterialBrass

Compatibility and Use

Connects To (inlet)3/8" male flare regulators, POL adapters, propane fittings
Connects To (outlet)3/8" female NPT appliance inlets, manifolds, fittings
Typical ApplicationsHigh-BTU outdoor burners, griddles, fryers, RV propane systems
Not For Use WithLow-pressure appliance connections without a high-pressure regulator

What Is Included

IncludedOne (1) 72" high-pressure propane hose with factory-installed brass fittings
Not IncludedRegulators, adapters, thread sealant, fittings
Important Information -- Read Before Installing
  • This is a HIGH-PRESSURE propane hose rated to 350 PSI. Confirm your regulator and appliance are rated for high-pressure LP supply before use.
  • The female flare swivel inlet uses left-hand (reverse) thread -- turn counterclockwise to tighten when viewed from the hose end. Do not force.
  • Do NOT apply PTFE tape or pipe sealant to the female flare swivel fitting. Apply propane-rated sealant to the 3/8" MPT outlet only.
  • Always perform a soap-bubble or electronic leak test on all connections before igniting any appliance.
  • Never use a damaged, kinked, or cracked hose. Replace immediately if the hose shows deterioration.
  • Keep hose away from open flames, hot surfaces, and vehicle exhaust during operation.
  • For RV park compliance, always verify that UL/CGA-certified hoses are required -- this hose meets those standards.


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