PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

328AX-5Relay,electromagnetic

Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) · NSN 5945-00-258-3155 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-258-3155 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-258-3155. Primary manufacturer part number: 328AX-5.
Features
  • Relay,electromagnetic — FSC 5945
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • Mounting Facility Type and Quantity: 4 THREADED STUD(S) SINGLE MOUNTING FACILITY
  • Winding Quantity: 1
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS AND 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.500 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 5945-00-258-3155, 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 Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft). Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5945-00-258-3155
Primary Part Number328AX-5
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerSe Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
StatusACTIVE
Main Contact Maximum Voltage Rating in Volts115.0 AC
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity4 THREADED STUD(S) SINGLE MOUNTING FACILITY
Winding Quantity1
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS AND 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Operating Current Rating and Type150.0 MILLIAMPERES DC AND 180.0 MILLIAMPERES DC SINGLE WINDING
Winding DC Resistance Rating160.0 OHMS NOMINAL SINGLE WINDING
Duty TypeCONTINUOUS
Environmental ProtectionHERMETIC
Coil Quantity1
Nonpile-Up Main Contact Arrangement2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Main Contact Load Current Rating at Maximum Rated Voltage15.0 AMPERES AC RESISTIVE LOAD
Arc Quenching MethodINERT GAS
Thread Class2A SINGLE MOUNTING FACILITY A
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5985-01-100-5508128AX-25 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
Cross-Reference Index
Part NumberManufacturer
328AX-5 PRIMARY Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
D8782-1 Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
Related Parts
5985-01-100-5508INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
128AX-25

Frequently Asked Questions

What is NSN 5945-00-258-3155?

NSN 5945-00-258-3155 is a Relay,electromagnetic, manufactured by Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft), classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-258-3155?

NSN 5945-00-258-3155 has 2 cross-referenced part numbers: 328AX-5 (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)), D8782-1 (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)).

What NSN replaces 5945-00-258-3155?

There is 1 known substitute for 5945-00-258-3155: 5985-01-100-5508. Verify interchangeability with system specifications before substitution.

What are the specifications of 328AX-5?

Key specifications for 328AX-5: Main Contact Maximum Voltage Rating in Volts: 115.0 AC; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY; Mounting Facility Type and Quantity: 4 THREADED STUD(S) SINGLE MOUNTING FACILITY; Winding Quantity: 1. 21 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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