H175MA — HEATER,WATER,STEAM-HOT WATER HEA

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

H175MA: HEATER,WATER,STEAM-HOT WATER HEA.

HEATER,WATER,STEAM-HOT WATER HEA. Key specifications include overall_length: 22.625 INCHES NOMINAL IN, mounting_position: HORIZONTAL, operating_pressure: 2.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM HEATING COIL LBS, water_inlet_connection_thread_size_and_series/type_designator: 1.250-11-1/2 NPT, water_outlet_connection_thread_size_and_series/type_designator: 1.250-11-1/2 NPT. This part is cataloged in the U.S.

Government catalog under NSN 4520-01-371-2741, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

H175MA

NSN: 4520-01-371-2741
FSC: 4520 — Space and Water Heating Equipment
CAGE: 24999 — DUNHAM-BUSH, INC. DBA DUNHAM-BUSH INC COMMERCIAL & INDUSTRIAL (USA)

SPECIFICATIONS

overall_length	22.625 INCHES NOMINAL IN
mounting_position	HORIZONTAL
operating_pressure	2.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM HEATING COIL LBS
water_inlet_connection_quantity	2
water_outlet_connection_quantity	1
water_inlet_connection_thread_size_and_series/type_designator	1.250-11-1/2 NPT
water_outlet_connection_thread_size_and_series/type_designator	1.250-11-1/2 NPT
NSN	4520-01-371-2741

COMPONENT DIAGRAM

KEY FEATURES

•

WATER OUTLET CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1.250-11-1/2 NPT

•

WATER OUTLET CONNECTION QUANTITY: 1

•

MOUNTING POSITION: HORIZONTAL

•

WATER INLET CONNECTION QUANTITY: 2

•

OPERATING PRESSURE: 2.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM HEATING COIL LBS

•

WATER INLET CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1.250-11-1/2 NPT

TECHNICAL CHARACTERISTICS

WATER OUTLET CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR	1.250-11-1/2 NPT
WATER OUTLET CONNECTION QUANTITY	1
MOUNTING POSITION	HORIZONTAL
WATER INLET CONNECTION QUANTITY	2
OVERALL LENGTH	22.625 INCHES NOMINAL IN
OPERATING PRESSURE	2.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM HEATING COIL LBS
WATER INLET CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR	1.250-11-1/2 NPT

OTHER ITEMS IN FSC 4520 — Space and Water Heating Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4520-00-000-0098 4520-00-000-0099 4520-00-001-1240 4520-00-001-3518 4520-00-001-3519 4520-00-001-6052 4520-00-001-6298 4520-00-001-7726

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is H175MA?

H175MA is a HEATER,WATER,STEAM-HOT WATER HEA.

What is the NSN for H175MA?

H175MA is cataloged in the U.S. Government catalog under NSN 4520-01-371-2741. This indicates validated use in U.S. government and defense supply chains.

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H175MA — HEATER,WATER,STEAM-HOT WATER HEA

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