PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1A20597H01Relay,electromagnetic

Northrop Grumman Support Services Corp · NSN 5945-01-275-8448 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-275-8448 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-275-8448. Primary manufacturer part number: 1A20597H01.
Features
  • Relay,electromagnetic — FSC 5945
  • 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
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-275-8448, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-275-8448
Primary Part Number1A20597H01
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Support Services Corp
StatusACTIVE
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
Center to Center Distance Between Mounting Facilities Parallel to Height2.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.765 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeINTERMITTENT
Frequency in Hertz400.0 NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-00-337-8642CH8M INTERCHANGEABLE
Clamp,loop
Burndy Llc
3040-00-920-4317100318 INTERCHANGEABLE
Gearshaft,spur
Crane Electronics, Inc.
4730-01-467-49472CM2 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Cross-Reference Index
Part NumberManufacturer
PMA3412D 108/132 360/440 3/3 120 Logitek Inc (USA)
1A20597H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
100-318 Logitek Inc (USA)
AE155-012-99 Dare Electronics, Inc. (USA)
1A20597H01 PRIMARY Northrop Grumman Support Services Corp (USA)
Related Parts
5340-00-337-8642INTERCHANGEABLE
CLAMP,LOOP
CH8M
3040-00-920-4317INTERCHANGEABLE
GEARSHAFT,SPUR
100318
4730-01-467-4947INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
2CM2

Frequently Asked Questions

What is NSN 5945-01-275-8448?

NSN 5945-01-275-8448 is a Relay,electromagnetic, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-275-8448?

NSN 5945-01-275-8448 has 5 cross-referenced part numbers: PMA3412D 108/132 360/440 3/3 120 (Logitek Inc), 1A20597H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 100-318 (Logitek Inc), AE155-012-99 (Dare Electronics, Inc.), 1A20597H01 (Northrop Grumman Support Services Corp).

What NSN replaces 5945-01-275-8448?

There are 3 known substitutes for 5945-01-275-8448: 5340-00-337-8642, 3040-00-920-4317, 4730-01-467-4947. Verify interchangeability with system specifications before substitution.

What are the specifications of 1A20597H01?

Key specifications for 1A20597H01: 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. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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