PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMC500821Relay,electromagnetic

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5945-00-985-8119 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-985-8119 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-985-8119. Primary manufacturer part number: SMC500821.
Features
  • Relay,electromagnetic — FSC 5945
  • Environmental Protection: HERMETIC
  • Operating Voltage Rating and Type at Specified Temp: 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Thread Class: 2B SINGLE MOUNTING FACILITY
  • Coil Quantity: 1
  • Nominal Thread Size: 0.086 INCHES SINGLE MOUNTING FACILITY IN
  • Duty Type: CONTINUOUS
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-985-8119, 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 7 commercial cross-references from 7 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
NSN5945-00-985-8119
Primary Part NumberSMC500821
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Environmental ProtectionHERMETIC
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Thread Class2B SINGLE MOUNTING FACILITY
Coil Quantity1
Nominal Thread Size0.086 INCHES SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Winding DC Resistance Rating270.0 OHMS NOMINAL SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length0.980 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Maximum Voltage Rating in Volts1200.0 AC AND 1200.0 DC
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Overall Diameter1.370 INCHES NOMINAL IN
Winding Quantity1
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5965-00-893-4705FC8S-4 INTERCHANGEABLE
Loudspeaker,permanent Magnet
Misco/minneapolis Speaker Company, Inc.
Cross-Reference Index
Part NumberManufacturer
RB1H26N352 Epcos Ag Abt. Pr Roe K Pm (DEU)
RB1H26N352 Jennings Technology Company Llc Dba Jennings (USA)
SMC500821 Raytheon Company (USA)
SMC500821 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
810000-784 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
RB1H26N352 Tdk Electronics Ag (DEU)
H-8/S4 Te Connectivity Corporation (USA)
Related Parts
5965-00-893-4705INTERCHANGEABLE
LOUDSPEAKER,PERMANENT MAGNET
FC8S-4

Frequently Asked Questions

What is NSN 5945-00-985-8119?

NSN 5945-00-985-8119 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 5945-00-985-8119?

NSN 5945-00-985-8119 has 7 cross-referenced part numbers: RB1H26N352 (Epcos Ag Abt. Pr Roe K Pm), RB1H26N352 (Jennings Technology Company Llc Dba Jennings), SMC500821 (Raytheon Company), SMC500821 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 810000-784 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc) and 2 more.

What NSN replaces 5945-00-985-8119?

There is 1 known substitute for 5945-00-985-8119: 5965-00-893-4705. Verify interchangeability with system specifications before substitution.

What are the specifications of SMC500821?

Key specifications for SMC500821: Environmental Protection: HERMETIC; Operating Voltage Rating and Type at Specified Temp: 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Thread Class: 2B SINGLE MOUNTING FACILITY; Coil Quantity: 1. 17 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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