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Technical Data Sheet
PartsTable / COMPONENT / 1A20597H01
1A20597H01 ✓ 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 duty_type: INTERMITTENT, overall_width: 2.140 INCHES NOMINAL IN, overall_height: 3.190 INCHES NOMINAL IN, overall_length: 3.270 INCHES NOMINAL IN, special_features: ENCLOSED IN STEEL CASE,HERMETICALLY SEALED AND ENCAPSULATED, frequency_in_hertz: 400.0 NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-01-275-8448, 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
1A20597H01
NSN: 5945-01-275-8448
FSC: 5945
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
duty_typeINTERMITTENT
overall_width2.140 INCHES NOMINAL IN
overall_height3.190 INCHES NOMINAL IN
overall_length3.270 INCHES NOMINAL IN
special_featuresENCLOSED IN STEEL CASE,HERMETICALLY SEALED AND ENCAPSULATED
frequency_in_hertz400.0 NOMINAL
end_item_identificationAN/TPS-43E ULSA
environmental_protectionVIBRATION RESISTANT AND SHOCK RESISTANT AND HUMIDITY RESISTANT
mounting_facility_patternRECTANGULAR SINGLE MOUNTING FACILITY
terminal_type_and_quantity14 WIRE LEAD ALL FUNCTIONS
unthreaded_mounting_hole_diameter0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
mounting_facility_type_and_quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
NSN5945-01-275-8448
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 1A20597H01 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
ENVIRONMENTAL PROTECTION: VIBRATION RESISTANT AND SHOCK RESISTANT AND HUMIDITY RESISTANT
•
MOUNTING FACILITY PATTERN: RECTANGULAR SINGLE MOUNTING FACILITY
•
NOMINAL OPERATING CURRENT RATING AND TYPE: 10.0 AMPERES AC ALL WINDINGS
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
•
TERMINAL TYPE AND QUANTITY: 14 WIRE LEAD ALL FUNCTIONS
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT: 2.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
TECHNICAL CHARACTERISTICS (FLIS)
UNTHREADED MOUNTING HOLE DIAMETER0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
ENVIRONMENTAL PROTECTIONVIBRATION RESISTANT AND SHOCK RESISTANT AND HUMIDITY RESISTANT
MOUNTING FACILITY PATTERNRECTANGULAR SINGLE MOUNTING FACILITY
NOMINAL OPERATING CURRENT RATING AND TYPE10.0 AMPERES AC ALL WINDINGS
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
TERMINAL TYPE AND QUANTITY14 WIRE LEAD ALL FUNCTIONS
END ITEM IDENTIFICATIONAN/TPS-43E ULSA
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT2.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
SPECIAL FEATURESENCLOSED IN STEEL CASE,HERMETICALLY SEALED AND ENCAPSULATED
OVERALL LENGTH3.270 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
8177337Interchangeable
interchangeable cross-reference
interchangeable
7432493P8Interchangeable
interchangeable cross-reference
interchangeable
10607442-1Interchangeable
interchangeable cross-reference
interchangeable
100318Interchangeable
interchangeable cross-reference
interchangeable
2CM2Interchangeable
interchangeable cross-reference
interchangeable
PMA3412D 108/132 360/440 3/3 120Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A20597H01?
1A20597H01 is a RELAY,ELECTROMAGNETIC.
What parts can replace 1A20597H01?
There are 7 known substitutes for 1A20597H01: 8177337, 7432493P8, 10607442-1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A20597H01?
1A20597H01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-01-275-8448. 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.
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Last verified: July 2026