PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMC321656Relay,electromagnetic

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5945-00-049-7857 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-049-7857 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-049-7857. Primary manufacturer part number: SMC321656.
Features
  • Relay,electromagnetic — FSC 5945
  • Nonpile-Up Main Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES AC RESISTIVE LOAD
  • Coil Quantity: 1
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Terminal Type and Quantity: 5 PIN ALL FUNCTIONS
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-049-7857, 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 16 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-049-7857
Primary Part NumberSMC321656
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES AC RESISTIVE LOAD
Coil Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Length2.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Duty TypeINTERMITTENT
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Main Contact Maximum Voltage Rating in Volts115.0 AC
Unthreaded Mounting Hole Diameter0.138 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Frequency in Hertz60.0 NOMINAL
Environmental ProtectionWATER RESISTANT
Winding Quantity1
Winding DC Resistance Rating0.5 OHMS NOMINAL SINGLE WINDING
Nominal Operating Current Rating and Type1.70 AMPERES AC SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
8940-00-133-3141 INTERCHANGEABLE
Corned Beef Hash,canned
5910-00-643-8535614G10506SWL INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
American Shizuki Corp
5310-01-485-840390415 INTERCHANGEABLE
Lock Washer
Dana Commercial Vehicle Products, Llc
5310-01-656-408790415 INTERCHANGEABLE
Nut,plain,hexagon
Abb Inc.
Cross-Reference Index
Part NumberManufacturer
20114A Kleinschmidt Inc (USA)
91252-96 Emerson Electric Co White-Rodgers Div (USA)
SMC321656 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
20114 Kleinschmidt Inc (USA)
90-415 Emerson Electric Co White-Rodgers Div (USA)
Related Parts
8940-00-133-3141INTERCHANGEABLE
CORNED BEEF HASH,CANNED
5910-00-643-8535INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
614G10506SWL
5310-01-485-8403INTERCHANGEABLE
LOCK WASHER
90415
5310-01-656-4087INTERCHANGEABLE
NUT,PLAIN,HEXAGON
90415

Frequently Asked Questions

What is NSN 5945-00-049-7857?

NSN 5945-00-049-7857 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 5945-00-049-7857?

NSN 5945-00-049-7857 has 5 cross-referenced part numbers: 20114A (Kleinschmidt Inc), 91252-96 (Emerson Electric Co White-Rodgers Div), SMC321656 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 20114 (Kleinschmidt Inc), 90-415 (Emerson Electric Co White-Rodgers Div).

What NSN replaces 5945-00-049-7857?

There are 4 known substitutes for 5945-00-049-7857: 8940-00-133-3141, 5910-00-643-8535, 5310-01-485-8403 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMC321656?

Key specifications for SMC321656: Overall Height: 1.160 INCHES NOMINAL IN; Nonpile-Up Main Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES AC RESISTIVE LOAD; Coil Quantity: 1. 19 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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