PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMC379841Relay,electromagnetic

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5945-00-087-6321 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-087-6321 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-087-6321. Primary manufacturer part number: SMC379841.
Features
  • Relay,electromagnetic — FSC 5945
  • Environmental Protection: HERMETIC
  • Winding DC Resistance Rating: 675.0 OHMS NOMINAL SINGLE WINDING
  • Coil Quantity: 1
  • Winding Quantity: 1
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-087-6321, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-087-6321
Primary Part NumberSMC379841
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Environmental ProtectionHERMETIC
Winding DC Resistance Rating675.0 OHMS NOMINAL SINGLE WINDING
Coil Quantity1
Winding Quantity1
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Duty TypeCONTINUOUS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES DC RESISTIVE LOAD
Main Contact Maximum Voltage Rating in Volts29.0 DC
Unthreaded Mounting Hole Diameter0.120 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5999-00-126-4734D01-6-3 INTERCHANGEABLE
Contact Assembly,electrical
Delta Electronics Inc Dba Delta Electronics Inc
3120-00-969-1892 INTERCHANGEABLE
Bushing,sleeve
Cross-Reference Index
Part NumberManufacturer
RP9896G89 Te Connectivity Corporation (USA)
2B3306 Hi-G Co Inc Sub of Nytronics Inc (USA)
D0163 Rauland-Borg Corp (USA)
SMC379841 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
RP9896G89 Cp Clare Corp North American Sales Operations (USA)
RP9896G89 Te Connectivity Corporation (USA)
Related Parts
5999-00-126-4734INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
D01-6-3
3120-00-969-1892INTERCHANGEABLE
BUSHING,SLEEVE

Frequently Asked Questions

What is NSN 5945-00-087-6321?

NSN 5945-00-087-6321 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 5945-00-087-6321?

NSN 5945-00-087-6321 has 6 cross-referenced part numbers: RP9896G89 (Te Connectivity Corporation), 2B3306 (Hi-G Co Inc Sub of Nytronics Inc), D0163 (Rauland-Borg Corp), SMC379841 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), RP9896G89 (Cp Clare Corp North American Sales Operations) and 1 more.

What NSN replaces 5945-00-087-6321?

There are 2 known substitutes for 5945-00-087-6321: 5999-00-126-4734, 3120-00-969-1892. Verify interchangeability with system specifications before substitution.

What are the specifications of SMC379841?

Key specifications for SMC379841: Environmental Protection: HERMETIC; Overall Width: 0.875 INCHES MAXIMUM IN; Winding DC Resistance Rating: 675.0 OHMS NOMINAL SINGLE WINDING; Overall Height: 0.427 INCHES MAXIMUM IN. 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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