PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

849-Z0D321Relay,electromagnetic

Rockwell Automation, Inc. Dba Rockwell Automation · NSN 5945-00-850-6531 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-850-6531 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-850-6531. Primary manufacturer part number: 849-Z0D321.
Features
  • Relay,electromagnetic — FSC 5945
  • Terminal Type and Quantity: 10 PIN ALL FUNCTIONS
  • Main Contact Load Current Rating at Maximum Rated Voltage: 120.0 AMPERES AC RESISTIVE LOAD
  • Frequency in Hertz: 60.0 NOMINAL
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Auxiliary Contact Maximum Voltage Rating in Volts: 60.0 AC
  • Unthreaded Mounting Hole Diameter: 0.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Coil Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-850-6531, 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 Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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: Active.

Technical Specifications
ParameterValue
NSN5945-00-850-6531
Primary Part Number849-Z0D321
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerRockwell Automation, Inc. Dba Rockwell Automation
StatusACTIVE
Terminal Type and Quantity10 PIN ALL FUNCTIONS
Main Contact Load Current Rating at Maximum Rated Voltage120.0 AMPERES AC RESISTIVE LOAD
Frequency in Hertz60.0 NOMINAL
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Auxiliary Contact Maximum Voltage Rating in Volts60.0 AC
Unthreaded Mounting Hole Diameter0.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Nonpile-Up Auxiliary Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Winding Quantity1
Duty TypeCONTINUOUS
Center to Center Distance Between Mounting Facilities Parallel to Width2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-207-5679 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
849-Z0D321 Rockwell Automation, Inc. Dba Rockwell Automation (USA)
133-477 Blaw-Knox Construction Equipment Co Div of White Consolidated Industries Inc (USA)
Related Parts
5305-00-207-5679INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5945-00-850-6531?

NSN 5945-00-850-6531 is a Relay,electromagnetic, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-850-6531?

NSN 5945-00-850-6531 has 2 cross-referenced part numbers: 849-Z0D321 (Rockwell Automation, Inc. Dba Rockwell Automation), 133-477 (Blaw-Knox Construction Equipment Co Div of White Consolidated Industries Inc).

What NSN replaces 5945-00-850-6531?

There is 1 known substitute for 5945-00-850-6531: 5305-00-207-5679. Verify interchangeability with system specifications before substitution.

What are the specifications of 849-Z0D321?

Key specifications for 849-Z0D321: Terminal Type and Quantity: 10 PIN ALL FUNCTIONS; Main Contact Load Current Rating at Maximum Rated Voltage: 120.0 AMPERES AC RESISTIVE LOAD; Frequency in Hertz: 60.0 NOMINAL; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY. 17 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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