PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

75-904Relay,electromagnetic

Emerson Electric Co White-Rodgers Div · NSN 5945-00-951-4871 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-951-4871 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-951-4871. Primary manufacturer part number: 75-904.
Features
  • Relay,electromagnetic — FSC 5945
  • Cubic Measure: 12.480 CUBIC INCHES
  • Frequency in Hertz: 60.0 NOMINAL
  • Unthreaded Mounting Hole Diameter: 0.113 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.709 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Terminal Type and Quantity: 2 QUICK DISCONNECT, MALE ENERGIZING ELEMENT
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
  • Nonpile-Up Main Contact Arrangement: 2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-951-4871, 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 Emerson Electric Co White-Rodgers Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-951-4871
Primary Part Number75-904
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerEmerson Electric Co White-Rodgers Div
StatusCANCELLED
Cubic Measure12.480 CUBIC INCHES
Frequency in Hertz60.0 NOMINAL
Unthreaded Mounting Hole Diameter0.113 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Width0.709 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity2 QUICK DISCONNECT, MALE ENERGIZING ELEMENT
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Nonpile-Up Main Contact Arrangement2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Coil Quantity1
Terminal Type and Quantity4 SCREW CONTACTS
Winding Quantity1
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length1.818 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5930-00-482-21031781345 INTERCHANGEABLE
Switch,rotary
Dana Off Highway Products, Llc
5305-01-082-204075904 INTERCHANGEABLE
Screw,cap,hexagon Head
Prestolite Electric Inc
5305-01-681-073075904 INTERCHANGEABLE
Extension Screw
Malabar
Cross-Reference Index
Part NumberManufacturer
75-904 Emerson Electric Co White-Rodgers Div (USA)
75-250301-2506A Emerson Electric Co White-Rodgers Div (USA)
75-240301-7506A Emerson Electric Co White-Rodgers Div (USA)
RLY160 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
Related Parts
5930-00-482-2103INTERCHANGEABLE
SWITCH,ROTARY
1781345
5305-01-082-2040INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
75904
5305-01-681-0730INTERCHANGEABLE
EXTENSION SCREW
75904

Frequently Asked Questions

What is NSN 5945-00-951-4871?

NSN 5945-00-951-4871 is a Relay,electromagnetic, manufactured by Emerson Electric Co White-Rodgers Div, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-951-4871?

NSN 5945-00-951-4871 has 4 cross-referenced part numbers: 75-904 (Emerson Electric Co White-Rodgers Div), 75-250301-2506A (Emerson Electric Co White-Rodgers Div), 75-240301-7506A (Emerson Electric Co White-Rodgers Div), RLY160 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters).

What NSN replaces 5945-00-951-4871?

There are 3 known substitutes for 5945-00-951-4871: 5930-00-482-2103, 5305-01-082-2040, 5305-01-681-0730. Verify interchangeability with system specifications before substitution.

What are the specifications of 75-904?

Key specifications for 75-904: Cubic Measure: 12.480 CUBIC INCHES; Frequency in Hertz: 60.0 NOMINAL; Unthreaded Mounting Hole Diameter: 0.113 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 0.709 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-951-4871 still in active supply?

NSN 5945-00-951-4871 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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