PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-A-801084-1Relay,electromagnetic

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5945-01-122-9078 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-122-9078 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-122-9078. Primary manufacturer part number: SM-A-801084-1.
Features
  • Relay,electromagnetic — FSC 5945
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 3.100 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Winding DC Resistance Rating: 12.0 OHMS NOMINAL SINGLE WINDING
  • Winding Quantity: 1
  • Auxiliary Contact Load Current Rating at Maximum Rated Voltage: 25.0 AMPERES AC AND 25.0 AMPERES DC RESISTIVE LOAD
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.100 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Duty Type: CONTINUOUS
  • Unthreaded Mounting Hole Diameter: 0.201 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-122-9078, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-122-9078
Primary Part NumberSM-A-801084-1
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Width3.100 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Winding DC Resistance Rating12.0 OHMS NOMINAL SINGLE WINDING
Winding Quantity1
Auxiliary Contact Load Current Rating at Maximum Rated Voltage25.0 AMPERES AC AND 25.0 AMPERES DC RESISTIVE LOAD
Center to Center Distance Between Mounting Facilities Parallel to Length3.100 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Unthreaded Mounting Hole Diameter0.201 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Auxiliary Contact Maximum Voltage Rating in Volts230.0 AC AND 28.0 DC
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Main Contact Load Current Rating at Maximum Rated Voltage120.0 AMPERES AC RESISTIVE LOAD
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Time Delay0.05 SECONDS MAXIMUM FIXED RELEASE TIME
Time Delay0.03 SECONDS MAXIMUM FIXED OPERATE TIME
Terminal Type and Quantity12 THREADED STUD ALL FUNCTIONS
Main Contact Maximum Voltage Rating in Volts440.0 AC
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement3 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION
Coil Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage120.0 AMPERES DC MOTOR LOAD
Nonpile-Up Auxiliary Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION AND 1 POLE, SINGLE THROW, NORMALLY CLOSED, DOUBLE BREAK, MOMENTARY ACTION
Operating Voltage Rating and Type at Specified Temp28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3431-00-121-5878SA136 INTERCHANGEABLE
Torch Outfit,welding,gas Shielde
Northrop Grumman Systems Corporation
5950-00-223-39284841 INTERCHANGEABLE
Coil,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
5340-00-854-5429SA136 INTERCHANGEABLE
Cap,protective,dust and Moisture
Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc
Cross-Reference Index
Part NumberManufacturer
SM-A-801084-1 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
B-312W Pegasus Savunma Sanayi Ve Ticaret Anonim Sirketi (TUR)
B-312W Te Connectivity Corporation (USA)
SA136 Ibex Aerospace Technologies Inc (USA)
SA136 Te Connectivity Corporation (USA)
Related Parts
3431-00-121-5878INTERCHANGEABLE
TORCH OUTFIT,WELDING,GAS SHIELDE
SA136
5950-00-223-3928INTERCHANGEABLE
COIL,RADIO FREQUENCY
4841
5340-00-854-5429INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
SA136

Frequently Asked Questions

What is NSN 5945-01-122-9078?

NSN 5945-01-122-9078 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 5945-01-122-9078?

NSN 5945-01-122-9078 has 5 cross-referenced part numbers: SM-A-801084-1 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), B-312W (Pegasus Savunma Sanayi Ve Ticaret Anonim Sirketi), B-312W (Te Connectivity Corporation), SA136 (Ibex Aerospace Technologies Inc), SA136 (Te Connectivity Corporation).

What NSN replaces 5945-01-122-9078?

There are 3 known substitutes for 5945-01-122-9078: 3431-00-121-5878, 5950-00-223-3928, 5340-00-854-5429. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-A-801084-1?

Key specifications for SM-A-801084-1: Center to Center Distance Between Mounting Facilities Parallel to Width: 3.100 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Winding DC Resistance Rating: 12.0 OHMS NOMINAL SINGLE WINDING; Winding Quantity: 1; Auxiliary Contact Load Current Rating at Maximum Rated Voltage: 25.0 AMPERES AC AND 25.0 AMPERES DC RESISTIVE LOAD. 24 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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