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H1-70 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, boiler_type: VERTICAL FIRE TUBE, firing_type: OIL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-308-6747, 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
H1-70
NSN: 4320-00-308-6747
FSC: 4320
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
boiler_typeVERTICAL FIRE TUBE
firing_typeOIL
current_typeDC
overall_width2.750 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_height2.375 INCHES NOMINAL IN
overall_length2.813 INCHES NOMINAL IN
pitch_diameter1.4583 INCHES NOMINAL IN
NSN4320-00-308-6747
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN H1-70 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL O/A HEX 0.563 IN. W ACROSS FLATS,2.225 IN. O/A LENGTH INCL FITTING,ADAPTER END EXT THD 5/16-24 UNF BY 0.422 IN. THD LENGTH,0.442 IN. ZERK FITTING LENGTH IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL O/A HEX 0.563 IN. W ACROSS FLATS,2.225 IN. O/A LENGTH INCL FITTING,ADAPTER END EXT THD 5/16-24 UNF BY 0.422 IN. THD LENGTH,0.442 IN. ZERK FITTING LENGTH IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
HC-120Interchangeable
interchangeable cross-reference
interchangeable
CPR100923Interchangeable
interchangeable cross-reference
interchangeable
MA207-21683Interchangeable
interchangeable cross-reference
interchangeable
GC14-20Interchangeable
interchangeable cross-reference
interchangeable
M48S20Interchangeable
interchangeable cross-reference
interchangeable
13027298Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H1-70?
H1-70 is a RELAY,ELECTROMAGNETIC.
What parts can replace H1-70?
There are 14 known substitutes for H1-70: HC-120, CPR100923, MA207-21683 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H1-70?
H1-70 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-308-6747. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026