PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G55995Relay,electromagnetic

Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co · NSN 5945-00-295-4505 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-295-4505 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-295-4505. Primary manufacturer part number: G55995.
Features
  • Relay,electromagnetic — FSC 5945
  • Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Main Contact Maximum Voltage Rating in Volts: 29.0 DC
  • Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN
  • Nominal Operating Current Rating and Type: 300.0 MILLIAMPERES DC SINGLE WINDING
  • Arc Quenching Method: INERT GAS
  • Terminal Type and Quantity: 4 PIN ALL FUNCTIONS
  • Coil Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-295-4505, 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 Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co. Government technical data includes 18 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
NSN5945-00-295-4505
Primary Part NumberG55995
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerGuardian Electric Manufacturing Co Div Guardian Electric Mfg Co
StatusACTIVE
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Main Contact Maximum Voltage Rating in Volts29.0 DC
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Nominal Operating Current Rating and Type300.0 MILLIAMPERES DC SINGLE WINDING
Arc Quenching MethodINERT GAS
Terminal Type and Quantity4 PIN ALL FUNCTIONS
Coil Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage6.0 AMPERES DC RESISTIVE LOAD
Mounting Facility Type and Quantity3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Winding Quantity1
Thread Class2A SINGLE MOUNTING FACILITY A
Environmental ProtectionHERMETIC
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Winding DC Resistance Rating800.0 OHMS NOMINAL SINGLE WINDING
Duty TypeCONTINUOUS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-359-8303 INTERCHANGEABLE
Screw
Cross-Reference Index
Part NumberManufacturer
G55995 PRIMARY Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA)
691-850 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
5305-00-359-8303INTERCHANGEABLE
SCREW

Frequently Asked Questions

What is NSN 5945-00-295-4505?

NSN 5945-00-295-4505 is a Relay,electromagnetic, manufactured by Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-295-4505?

NSN 5945-00-295-4505 has 2 cross-referenced part numbers: G55995 (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), 691-850 (Bae Systems Information and Electronic Systems Integration Inc.).

What NSN replaces 5945-00-295-4505?

There is 1 known substitute for 5945-00-295-4505: 5305-00-359-8303. Verify interchangeability with system specifications before substitution.

What are the specifications of G55995?

Key specifications for G55995: Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Main Contact Maximum Voltage Rating in Volts: 29.0 DC; Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN; Nominal Operating Current Rating and Type: 300.0 MILLIAMPERES DC SINGLE WINDING. 21 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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