PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

307A8805P1Relay,electromagnetic

Bae Systems Controls Inc. · NSN 5945-01-198-6231 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-198-6231 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-198-6231. Primary manufacturer part number: 307A8805P1.
Features
  • Relay,electromagnetic — FSC 5945
  • Nonpile-Up Main Contact Arrangement: 3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Environmental Protection: DUSTPROOF
  • Purpose for Which Designed: GENERAL
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • Auxiliary Contact Load Current Rating at Maximum Rated Voltage: 5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD
  • Unthreaded Mounting Hole Diameter: 0.196 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Nonpile-Up Auxiliary Contact Arrangement: 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Plastic Case construction
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-198-6231, 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 Bae Systems Controls Inc.. Government technical data includes 28 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-198-6231
Primary Part Number307A8805P1
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerBae Systems Controls Inc.
StatusACTIVE
Nonpile-Up Main Contact Arrangement3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Environmental ProtectionDUSTPROOF
Purpose for Which DesignedGENERAL
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Auxiliary Contact Load Current Rating at Maximum Rated Voltage5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD
Unthreaded Mounting Hole Diameter0.196 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nonpile-Up Auxiliary Contact Arrangement4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Operating Voltage Rating and Type at Specified Temp28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Duty TypeCONTINUOUS
Arc Quenching MethodAIR
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Features ProvidedCOIL VOLTAGE SUPPRESSION AND POLARIZED
Main Contact Load Current Rating at Maximum Rated Voltage120.0 AMPERES AC INDUCTIVE LOAD
Terminal Type and Quantity1 CONNECTOR, RECEPTACLE ALL FUNCTIONS
Center to Center Distance Between Mounting Facilities Parallel to Width2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Time Delay0.03 SECONDS NOMINAL FIXED OPERATE TIME
Auxiliary Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC AND 3.0 AMPERES DC INDUCTIVE LOAD
Auxiliary Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES AC AND 1.0 AMPERES DC LAMP LOAD
Cubic Measure65.252 CUBIC INCHES
Winding Quantity1
Time Delay0.05 SECONDS NOMINAL FIXED RELEASE TIME
Fragility FactorMODERATELY RUGGED
Auxiliary Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Main Contact Load Current Rating at Maximum Rated Voltage120.0 AMPERES AC RESISTIVE LOAD
Main Contact Maximum Voltage Rating in Volts115.0 AC
MaterialPLASTIC CASE
Coil Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5340-00-367-4670B420 INTERCHANGEABLE
Cover,access
Dresser, Llc
3455-00-517-555517446 INTERCHANGEABLE
Cutter,milling,side
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5961-01-078-9494 INTERCHANGEABLE
Transistor
5998-01-463-6984B420 INTERCHANGEABLE
Circuit Card Assembly
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
B-420 Te Connectivity Corporation (USA)
307A8805P1 PRIMARY Bae Systems Controls Inc. (USA)
Related Parts
5340-00-367-4670INTERCHANGEABLE
COVER,ACCESS
B420
3455-00-517-5555INTERCHANGEABLE
CUTTER,MILLING,SIDE
17446
5961-01-078-9494INTERCHANGEABLE
TRANSISTOR
5998-01-463-6984INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
B420

Frequently Asked Questions

What is NSN 5945-01-198-6231?

NSN 5945-01-198-6231 is a Relay,electromagnetic, manufactured by Bae Systems Controls Inc., classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-198-6231?

NSN 5945-01-198-6231 has 2 cross-referenced part numbers: B-420 (Te Connectivity Corporation), 307A8805P1 (Bae Systems Controls Inc.).

What NSN replaces 5945-01-198-6231?

There are 4 known substitutes for 5945-01-198-6231: 5340-00-367-4670, 3455-00-517-5555, 5961-01-078-9494 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 307A8805P1?

Key specifications for 307A8805P1: Nonpile-Up Main Contact Arrangement: 3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Environmental Protection: DUSTPROOF; Purpose for Which Designed: GENERAL; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com