PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41DB30AGRelay,electromagnetic

Siemens Energy and Automation Inc Siemens Furnas Controls Div · NSN 5945-00-973-4144 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-973-4144 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-973-4144. Primary manufacturer part number: 41DB30AG.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 30.0 AMPERES AC RESISTIVE LOAD
  • Duty Type: CONTINUOUS
  • Terminal Type and Quantity: 8 PIN ALL FUNCTIONS
  • Unthreaded Mounting Hole Diameter: 0.203 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Winding Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-973-4144, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-973-4144
Primary Part Number41DB30AG
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerSiemens Energy and Automation Inc Siemens Furnas Controls Div
StatusCANCELLED
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage30.0 AMPERES AC RESISTIVE LOAD
Duty TypeCONTINUOUS
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Unthreaded Mounting Hole Diameter0.203 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Winding Quantity1
Operating Voltage Rating and Type at Specified Temp208.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Nominal Operating Current Rating and Type0.07 AMPERES AC SINGLE WINDING
Main Contact Maximum Voltage Rating in Volts240.0 AC
Frequency in Hertz50.0 MINIMUM AND 60.0 MAXIMUM
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Arc Quenching MethodAIR
Coil Quantity1
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5999-00-054-456254-31 INTERCHANGEABLE
Delay Line
Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
5325-00-290-80284002-4 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
2810-00-386-44425042J3 INTERCHANGEABLE
Bushing,oil Sump to
Curtiss-Wright Controls, Inc. Div Actuation Division
4820-00-504-859072498 INTERCHANGEABLE
Valve,safety Relief
Hydro-Aire Aerospace Corp
7910-00-550-9111110776A INTERCHANGEABLE
Cleaner,vacuum,electric
Tiger-Vac Inc.
4820-00-606-8214B2010918 INTERCHANGEABLE
Valve,safety Relief
L3harris Technologies, Inc. Dba Harris Corporation
5950-00-645-0762650998 INTERCHANGEABLE
Transformer,audio Frequency
Lockheed Martin Corporation Div Rms - Mitchel Field
5220-01-016-6398 INTERCHANGEABLE
Gage,special
5315-01-191-78885431 INTERCHANGEABLE
Pin
Pdi Ground Support Systems, Inc.
4320-01-241-68055431F INTERCHANGEABLE
Rotor,pump
Megator Corp
Cross-Reference Index
Part NumberManufacturer
5431 Bock Engineered Products Inc (USA)
41DB30AG PRIMARY Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA)
41NB30AGM Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA)
41DA30AG Siemens Energy and Automation Inc Siemens Furnas Controls Div (USA)
7249-8 Unifab Industries Inc (USA)
Related Parts
5999-00-054-4562INTERCHANGEABLE
DELAY LINE
54-31
5325-00-290-8028INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
4002-4
2810-00-386-4442INTERCHANGEABLE
BUSHING,OIL SUMP TO
5042J3
4820-00-504-8590INTERCHANGEABLE
VALVE,SAFETY RELIEF
72498
7910-00-550-9111INTERCHANGEABLE
CLEANER,VACUUM,ELECTRIC
110776A
4820-00-606-8214INTERCHANGEABLE
VALVE,SAFETY RELIEF
B2010918
5950-00-645-0762INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
650998
5220-01-016-6398INTERCHANGEABLE
GAGE,SPECIAL
5315-01-191-7888INTERCHANGEABLE
PIN
5431
4320-01-241-6805INTERCHANGEABLE
ROTOR,PUMP
5431F
1680-01-392-3720INTERCHANGEABLE
BALL,ASSEMBLYSPECIA
543-1
7930-01-410-8562INTERCHANGEABLE
FINISH,FLOOR,NONBUFFING
7930014108562

Frequently Asked Questions

What is NSN 5945-00-973-4144?

NSN 5945-00-973-4144 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 5945-00-973-4144?

NSN 5945-00-973-4144 has 5 cross-referenced part numbers: 5431 (Bock Engineered Products Inc), 41DB30AG (Siemens Energy and Automation Inc Siemens Furnas Controls Div), 41NB30AGM (Siemens Energy and Automation Inc Siemens Furnas Controls Div), 41DA30AG (Siemens Energy and Automation Inc Siemens Furnas Controls Div), 7249-8 (Unifab Industries Inc).

What NSN replaces 5945-00-973-4144?

There are 12 known substitutes for 5945-00-973-4144: 5999-00-054-4562, 5325-00-290-8028, 2810-00-386-4442 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41DB30AG?

Key specifications for 41DB30AG: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Main Contact Load Current Rating at Maximum Rated Voltage: 30.0 AMPERES AC RESISTIVE LOAD; Duty Type: CONTINUOUS; Terminal Type and Quantity: 8 PIN ALL FUNCTIONS. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-973-4144 still in active supply?

NSN 5945-00-973-4144 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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