PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCC42045Relay,electromagnetic

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5945-00-188-5637 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-188-5637 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-188-5637. Primary manufacturer part number: SCC42045.
Features
  • Relay,electromagnetic — FSC 5945
  • Fragility Factor: MODERATELY RUGGED
  • Winding DC Resistance Rating: 39.0 OHMS NOMINAL SINGLE WINDING
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • Material: SILVER CONTACT
  • Cubic Measure: 0.844 CUBIC INCHES
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC AND 1.5 AMPERES DC INDUCTIVE LOAD
  • Operating Voltage Rating and Type at Specified Temp: 6.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Silver Contact construction
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-188-5637, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-188-5637
Primary Part NumberSCC42045
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Fragility FactorMODERATELY RUGGED
Winding DC Resistance Rating39.0 OHMS NOMINAL SINGLE WINDING
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
MaterialSILVER CONTACT
Cubic Measure0.844 CUBIC INCHES
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC AND 1.5 AMPERES DC INDUCTIVE LOAD
Operating Voltage Rating and Type at Specified Temp6.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
MaterialSTEEL CORROSION RESISTING CASE
Precious MaterialSILVER
Thread DirectionRIGHT-HAND SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Time Delay0.015 SECONDS MAXIMUM FIXED OPERATE TIME
Time Delay0.01 SECONDS MAXIMUM FIXED RELEASE TIME
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Precious Material and LocationCONTACTS SILVER
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting Facility Type and Quantity4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length0.438 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Storage TypeGENERAL PURPOSE WAREHOUSE
Terminal Type and Quantity8 TAB, SOLDER LUG ALL FUNCTIONS
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Arc Quenching MethodAIR
Duty TypeCONTINUOUS
Coil Quantity1
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Center to Center Distance Between Mounting Facilities Parallel to Width0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5365-00-126-42227034 INTERCHANGEABLE
Bushing
Telemechanics Inc
2805-00-422-932013S24 INTERCHANGEABLE
Ring Set,piston
Spirolox Inc
4820-00-446-2764 INTERCHANGEABLE
Valve,globe
4920-00-537-25327034 INTERCHANGEABLE
Calibration Test St
James a. Staley Co., Inc. Dba James a Staley Co
5325-00-829-194911-292 INTERCHANGEABLE
Grommet,nonmetallic
Gc/waldom Inc
5950-00-864-5485575R590H34 INTERCHANGEABLE
Coil,radio Frequency
Westinghouse Electric Corp
6220-00-880-692150352 INTERCHANGEABLE
Stop Light-Taillight,vehicular
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
5995-00-926-34897034 INTERCHANGEABLE
Cable Assembly,radio Frequency
Spencer Industries Inc
5960-00-985-9059 INTERCHANGEABLE
Electron Tube
4820-01-091-31264743A PIECE 2 INTERCHANGEABLE
Disk,valve
Howell Laboratories Inc Dba Howell Laboratories Inc
Cross-Reference Index
Part NumberManufacturer
05005201 Thales Components Corp Div Thales Components Corporation (USA)
5403-22 Airpax Corporation Llc Dba Airpax Corporation Llc (USA)
7034 Edo Artisan Inc (USA)
5403-22 Te Connectivity Corporation (USA)
SCC42045 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5365-00-126-4222INTERCHANGEABLE
BUSHING
7034
2805-00-422-9320INTERCHANGEABLE
RING SET,PISTON
13S24
4820-00-446-2764INTERCHANGEABLE
VALVE,GLOBE
4920-00-537-2532INTERCHANGEABLE
CALIBRATION TEST ST
7034
5325-00-829-1949INTERCHANGEABLE
GROMMET,NONMETALLIC
11-292
5950-00-864-5485INTERCHANGEABLE
COIL,RADIO FREQUENCY
575R590H34
6220-00-880-6921INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
50352
5995-00-926-3489INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
7034
5960-00-985-9059INTERCHANGEABLE
ELECTRON TUBE
4820-01-091-3126INTERCHANGEABLE
DISK,VALVE
4743A PIECE 2
2530-01-165-8078INTERCHANGEABLE
ROTOR ASSEMBLY,DISC BRAKE
BD60472
5120-01-363-6699INTERCHANGEABLE
EXTRACTOR,VALVE
Z7034

Frequently Asked Questions

What is NSN 5945-00-188-5637?

NSN 5945-00-188-5637 is a Relay,electromagnetic, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-188-5637?

NSN 5945-00-188-5637 has 5 cross-referenced part numbers: 05005201 (Thales Components Corp Div Thales Components Corporation), 5403-22 (Airpax Corporation Llc Dba Airpax Corporation Llc), 7034 (Edo Artisan Inc), 5403-22 (Te Connectivity Corporation), SCC42045 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5945-00-188-5637?

There are 12 known substitutes for 5945-00-188-5637: 5365-00-126-4222, 2805-00-422-9320, 4820-00-446-2764 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SCC42045?

Key specifications for SCC42045: Overall Width: 0.688 INCHES MAXIMUM IN; Fragility Factor: MODERATELY RUGGED; Overall Length: 1.156 INCHES MAXIMUM IN; Winding DC Resistance Rating: 39.0 OHMS NOMINAL SINGLE WINDING. 30 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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