PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RY2S-U-DC24VRelay,electromagnetic

Idec Systems and Controls Corp · NSN 5945-01-481-1583 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-481-1583 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-481-1583. Primary manufacturer part number: RY2S-U-DC24V.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Winding Quantity: 1
  • Duty Type: CONTINUOUS
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES DC RESISTIVE LOAD
  • Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
  • Winding DC Resistance Rating: 750.0 OHMS NOMINAL SINGLE WINDING
  • Features Provided: POLARIZED
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-481-1583, 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 Idec Systems and Controls Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-01-481-1583
Primary Part NumberRY2S-U-DC24V
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerIdec Systems and Controls Corp
StatusCANCELLED
Coil Quantity1
Winding Quantity1
Duty TypeCONTINUOUS
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES DC RESISTIVE LOAD
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Winding DC Resistance Rating750.0 OHMS NOMINAL SINGLE WINDING
Features ProvidedPOLARIZED
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES DC INDUCTIVE LOAD
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Terminal Type and Quantity1 CONNECTOR, PLUG ENERGIZING ELEMENT
Nominal Operating Current Rating and Type32.0 MILLIAMPERES DC ALL WINDINGS
Main Contact Maximum Voltage Rating in Volts30.0 DC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3120-00-585-5605B57-2 INTERCHANGEABLE
Bearing,sleeve
Altra Industrial Motion Corp.
Cross-Reference Index
Part NumberManufacturer
RY2LS-U-DC24V Idec Systems and Controls Corp (USA)
B572 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
RY2S-U-DC24V PRIMARY Idec Systems and Controls Corp (USA)
Related Parts
3120-00-585-5605INTERCHANGEABLE
BEARING,SLEEVE
B57-2

Frequently Asked Questions

What is NSN 5945-01-481-1583?

NSN 5945-01-481-1583 is a Relay,electromagnetic, manufactured by Idec Systems and Controls Corp, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-01-481-1583?

NSN 5945-01-481-1583 has 3 cross-referenced part numbers: RY2LS-U-DC24V (Idec Systems and Controls Corp), B572 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), RY2S-U-DC24V (Idec Systems and Controls Corp).

What NSN replaces 5945-01-481-1583?

There is 1 known substitute for 5945-01-481-1583: 3120-00-585-5605. Verify interchangeability with system specifications before substitution.

What are the specifications of RY2S-U-DC24V?

Key specifications for RY2S-U-DC24V: Coil Quantity: 1; End Item Identification: WSD: COMMAND CONTROL AND COMMUNICATION SYSTEM 427M; Winding Quantity: 1; Overall Height: 1.070 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-01-481-1583 still in active supply?

NSN 5945-01-481-1583 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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