PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E-72Relay,solid State

Te Connectivity Corporation · NSN 5945-01-052-4397 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-052-4397 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-052-4397. Primary manufacturer part number: E-72.
Features
  • Relay,solid State — FSC 5945
  • 2 verified cross-references
  • Primary manufacturer: Te Connectivity Corporation
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,solid State, cataloged under National Stock Number 5945-01-052-4397, 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 Te Connectivity Corporation. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-052-4397
Primary Part NumberE-72
Item NameRelay,solid State
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5999-00-440-0266E72 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
5940-00-642-0722E72 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
5950-00-906-3146E7.2 INTERCHANGEABLE
Transformer,power
Electric Boat Corporation Div General Dynamics Electric Boat
5360-01-651-3740E72 INTERCHANGEABLE
Spring,helical,compression
Associated Spring Us, Llc Dba Associated Spring Div Milwaukee
Cross-Reference Index
Part NumberManufacturer
E-72 PRIMARY Te Connectivity Corporation (USA)
114ES287-1 The Boeing Company (USA)
Related Parts
5999-00-440-0266INTERCHANGEABLE
HEATER,THERMAL RELEASE
E72
5940-00-642-0722INTERCHANGEABLE
TERMINAL,LUG
E72
5950-00-906-3146INTERCHANGEABLE
TRANSFORMER,POWER
E7.2
5360-01-651-3740INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
E72

Frequently Asked Questions

What is NSN 5945-01-052-4397?

NSN 5945-01-052-4397 is a Relay,solid State, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-052-4397?

NSN 5945-01-052-4397 has 2 cross-referenced part numbers: E-72 (Te Connectivity Corporation), 114ES287-1 (The Boeing Company).

What NSN replaces 5945-01-052-4397?

There are 4 known substitutes for 5945-01-052-4397: 5999-00-440-0266, 5940-00-642-0722, 5950-00-906-3146 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E-72?

Key specifications for E-72: Special Features: OPERATING CONDITIONS: PICK-UP: 18.0 TO 22.0 VOLTS DC MAXIMUM: DROP-OUT: 7.0 VOLTS DC MAXIMUM; INPUT VOLTS: 18.0 TO 40.0 VOLTS DC MAXIMUM; TEMPERATURE RANGE: MINUS 65.0 DEGREES FAHRENHEIT TO PLUS 160.0 DEGREES FAHRENHEIT; MINIMUM CURRENT: 30.0 MILLIAMPS; PICK-UP DELAY TIME: 20.0 MILLISECONDS,PLUS OR MINUS 5.0 MILLISECONDS; LOADING CONDITIONS: CURRENT: 1.0 AMPERE CONTINOUS; 7.0 AMPERES FOR 50.0 MILLISECONDS; MAXIMUM VOLTAGE DROP: 2.0 VOLTS DC AT 7.0 AMPS INDUCTIVE; MAXIMUM LEAKAGE CURRENT: 30.0 MILLIAMPS; PEAK INVERSE VOLTAGE: 400.0 VOLTS MAXIMUM; CONTACT ARRANGEMENT: SPST NORMALLY OPEN; COIL QUANTITY: 1; WINDING QUANTITY: 1; TERMINALS: 3 THREADED STUDS; DIMENSIONS: LENGTH 2.500 INCHES MAX; WIDTH 2.000 INCHES MAX; HEIGHT 1.110 INCHES MAX; MOUNTING FACILITY: 0.156 DIAMETER HOLE AND A 0.290 DIAMETER HOLE MULTIPLIED BY 100.0 DEGREES TO COUNTERSINK (2 PLACES); CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.750 INCHES NOMINAL IN. 1 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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