PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20427-1Relay,electromagnetic

Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) · NSN 5945-00-258-1404 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-258-1404 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-258-1404. Primary manufacturer part number: 20427-1.
Features
  • Relay,electromagnetic — FSC 5945
  • Pile-Up Main Contact Form Arrangement: 6C
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Duty Type: CONTINUOUS
  • Mounting Slot Width: 0.134 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES DC RESISTIVE LOAD
  • Main Contact Maximum Voltage Rating in Volts: 50.0 DC
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-258-1404, 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 Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft). Government technical data includes 14 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-258-1404
Primary Part Number20427-1
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerSe Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
StatusCANCELLED
Pile-Up Main Contact Form Arrangement6C
Center to Center Distance Between Mounting Facilities Parallel to Length2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Mounting Slot Width0.134 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES DC RESISTIVE LOAD
Main Contact Maximum Voltage Rating in Volts50.0 DC
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity2 SLOTTED HOLE SINGLE MOUNTING FACILITY
Terminal Type and Quantity20 PIN ALL FUNCTIONS
Winding DC Resistance Rating500.0 OHMS NOMINAL SINGLE WINDING
Winding Quantity1
Nominal Operating Current Rating and Type27.0 MILLIAMPERES DC SINGLE WINDING
Coil Quantity1
Environmental ProtectionDUSTPROOF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
1650-00-128-91048108-3 INTERCHANGEABLE
Head,linear Actuating Cylinder
Goodrich Aerospace Canada Ltd
5365-00-383-4738204271 INTERCHANGEABLE
Shim
Dana Off Highway Products, Llc
5930-00-655-1515 INTERCHANGEABLE
Switch,toggle
4710-01-224-298981018-3 INTERCHANGEABLE
Tube Assembly,metal
Pneudraulics, Inc.
4320-01-573-012681083 INTERCHANGEABLE
Parts Kit,reciprocating Pump
Ram-Pac International Inc.
Cross-Reference Index
Part NumberManufacturer
8108-3 Instruments and Flight Research, Inc. (USA)
A45366 Te Connectivity Corporation (USA)
20427-1 PRIMARY Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
A45366 Cp Clare Corp North American Sales Operations (USA)
A45366 PRIMARY Te Connectivity Corporation (USA)
Related Parts
1650-00-128-9104INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
8108-3
5365-00-383-4738INTERCHANGEABLE
SHIM
204271
5930-00-655-1515INTERCHANGEABLE
SWITCH,TOGGLE
4710-01-224-2989INTERCHANGEABLE
TUBE ASSEMBLY,METAL
81018-3
4320-01-573-0126INTERCHANGEABLE
PARTS KIT,RECIPROCATING PUMP
81083

Frequently Asked Questions

What is NSN 5945-00-258-1404?

NSN 5945-00-258-1404 is a Relay,electromagnetic, manufactured by Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft), classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-258-1404?

NSN 5945-00-258-1404 has 5 cross-referenced part numbers: 8108-3 (Instruments and Flight Research, Inc.), A45366 (Te Connectivity Corporation), 20427-1 (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)), A45366 (Cp Clare Corp North American Sales Operations), A45366 (Te Connectivity Corporation).

What NSN replaces 5945-00-258-1404?

There are 5 known substitutes for 5945-00-258-1404: 1650-00-128-9104, 5365-00-383-4738, 5930-00-655-1515 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20427-1?

Key specifications for 20427-1: Pile-Up Main Contact Form Arrangement: 6C; Overall Width: 1.560 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Duty Type: CONTINUOUS. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-258-1404 still in active supply?

NSN 5945-00-258-1404 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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