PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40EF35AAD4Relay,electromagnetic

Siemens Energy and Automation Inc Siemens Furnas Controls Div · NSN 5945-00-450-5299 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-450-5299 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-450-5299. Primary manufacturer part number: 40EF35AAD4.
Features
  • Relay,electromagnetic — FSC 5945
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 6.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • Frequency in Hertz: 60.0 NOMINAL
  • Unthreaded Mounting Hole Diameter: 0.199 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Nominal Operating Current Rating and Type: 0.011 AMPERES AC SINGLE WINDING
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Nonpile-Up Main Contact Arrangement: 3 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 5945-00-450-5299, 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 Siemens Energy and Automation Inc Siemens Furnas Controls Div. 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-450-5299
Primary Part Number40EF35AAD4
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerSiemens Energy and Automation Inc Siemens Furnas Controls Div
StatusCANCELLED
Center to Center Distance Between Mounting Facilities Parallel to Length6.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Frequency in Hertz60.0 NOMINAL
Unthreaded Mounting Hole Diameter0.199 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Operating Current Rating and Type0.011 AMPERES AC SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nonpile-Up Main Contact Arrangement3 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Duty TypeCONTINUOUS
Winding Quantity1
Coil Quantity1
Operating Voltage Rating and Type at Specified Temp220.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5970-00-153-01552670 INTERCHANGEABLE
Insulator,washer
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
7810-00-233-6200BBHPXXXXY INTERCHANGEABLE
Home Plate
Bsn Sports, Llc
5935-00-447-519133-85 INTERCHANGEABLE
Adapter
Te Connectivity Corporation Dba Microdot Products
4730-00-704-1861SAE J513 8 010109B INTERCHANGEABLE
Plug,tube Fitting,threaded
Sae International Dba Sae International
6505-01-139-14983385 INTERCHANGEABLE
Amiloride Hydrochloride and Hydr
Merck Sharp & Dohme Corp. Dba Merck Div Us Human Health
5930-01-222-86993385 INTERCHANGEABLE
Switch,thermostatic
Transact Intl Inc
6515-01-423-66033385 INTERCHANGEABLE
Cannula,needleless Access System
Becton, Dickinson and Co Dba Becton Dickinson & Co
6625-01-693-0965 INTERCHANGEABLE
Test Set,indicator
Cross-Reference Index
Part NumberManufacturer
40EA35AAD4 Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA)
40EF35AAD4 PRIMARY Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA)
3385 Vulcan-Hart Corp (USA)
Related Parts
5970-00-153-0155INTERCHANGEABLE
INSULATOR,WASHER
2670
7810-00-233-6200INTERCHANGEABLE
HOME PLATE
BBHPXXXXY
5935-00-447-5191INTERCHANGEABLE
ADAPTER
33-85
4730-00-704-1861INTERCHANGEABLE
PLUG,TUBE FITTING,THREADED
SAE J513 8 010109B
6505-01-139-1498INTERCHANGEABLE
AMILORIDE HYDROCHLORIDE AND HYDR
3385
5930-01-222-8699INTERCHANGEABLE
SWITCH,THERMOSTATIC
3385
6515-01-423-6603INTERCHANGEABLE
CANNULA,NEEDLELESS ACCESS SYSTEM
3385
6625-01-693-0965INTERCHANGEABLE
TEST SET,INDICATOR

Frequently Asked Questions

What is NSN 5945-00-450-5299?

NSN 5945-00-450-5299 is a Relay,electromagnetic, manufactured by Siemens Energy and Automation Inc Siemens Furnas Controls Div, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-450-5299?

NSN 5945-00-450-5299 has 3 cross-referenced part numbers: 40EA35AAD4 (Siemens Energy and Automation Inc Siemens Furnas Controls Div), 40EF35AAD4 (Siemens Energy and Automation Inc Siemens Furnas Controls Div), 3385 (Vulcan-Hart Corp).

What NSN replaces 5945-00-450-5299?

There are 8 known substitutes for 5945-00-450-5299: 5970-00-153-0155, 7810-00-233-6200, 5935-00-447-5191 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40EF35AAD4?

Key specifications for 40EF35AAD4: Center to Center Distance Between Mounting Facilities Parallel to Length: 6.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY; Frequency in Hertz: 60.0 NOMINAL; Unthreaded Mounting Hole Diameter: 0.199 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-450-5299 still in active supply?

NSN 5945-00-450-5299 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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