PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM1199-2Relay,electromagnetic

Te Connectivity Corporation · NSN 5945-00-259-1890 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-259-1890 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-259-1890. Primary manufacturer part number: SM1199-2.
Features
  • Relay,electromagnetic — FSC 5945
  • Environmental Protection: HERMETIC
  • Coil Quantity: 1
  • Duty Type: CONTINUOUS
  • Main Contact Maximum Voltage Rating in Volts: 24.0 DC
  • Winding DC Resistance Rating: 380.0 OHMS NOMINAL SINGLE WINDING
  • Pile-Up Main Contact Form Arrangement: 1C
  • Main Contact Load Current Rating at Maximum Rated Voltage: 1.0 AMPERES DC RESISTIVE LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-259-1890, 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 Te Connectivity Corporation. Government technical data includes 11 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: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-259-1890
Primary Part NumberSM1199-2
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusCANCELLED
Environmental ProtectionHERMETIC
Coil Quantity1
Duty TypeCONTINUOUS
Main Contact Maximum Voltage Rating in Volts24.0 DC
Winding DC Resistance Rating380.0 OHMS NOMINAL SINGLE WINDING
Pile-Up Main Contact Form Arrangement1C
Main Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES DC RESISTIVE LOAD
Overall Diameter0.750 INCHES NOMINAL IN
Winding Quantity1
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4920-00-066-970326-124 INTERCHANGEABLE
Packing
Topworx Inc
5120-00-240-5609 INTERCHANGEABLE
Wrench,open End
5330-00-245-3715 INTERCHANGEABLE
Seal,plain Encased
5940-00-539-3704013-1014-59-9 INTERCHANGEABLE
Terminal,stud
Itt Cannon Rf Products
Cross-Reference Index
Part NumberManufacturer
SM1199-1 Te Connectivity Corporation (USA)
452-1504 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
SM1199-2 PRIMARY Te Connectivity Corporation (USA)
SM1199 Te Connectivity Corporation (USA)
26124 Raytheon Company Dba Raytheon (USA)
Related Parts
4920-00-066-9703INTERCHANGEABLE
PACKING
26-124
5120-00-240-5609INTERCHANGEABLE
WRENCH,OPEN END
5330-00-245-3715INTERCHANGEABLE
SEAL,PLAIN ENCASED
5940-00-539-3704INTERCHANGEABLE
TERMINAL,STUD
013-1014-59-9

Frequently Asked Questions

What is NSN 5945-00-259-1890?

NSN 5945-00-259-1890 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-259-1890?

NSN 5945-00-259-1890 has 5 cross-referenced part numbers: SM1199-1 (Te Connectivity Corporation), 452-1504 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions), SM1199-2 (Te Connectivity Corporation), SM1199 (Te Connectivity Corporation), 26124 (Raytheon Company Dba Raytheon).

What NSN replaces 5945-00-259-1890?

There are 4 known substitutes for 5945-00-259-1890: 4920-00-066-9703, 5120-00-240-5609, 5330-00-245-3715 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM1199-2?

Key specifications for SM1199-2: Environmental Protection: HERMETIC; Coil Quantity: 1; Duty Type: CONTINUOUS; Main Contact Maximum Voltage Rating in Volts: 24.0 DC. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-259-1890 still in active supply?

NSN 5945-00-259-1890 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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