PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

215HRelay,electromagnetic

Lucent Technologies Inc Corporate Headquarters · NSN 5945-00-251-7373 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-251-7373 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-251-7373. Primary manufacturer part number: 215H.
Features
  • Relay,electromagnetic — FSC 5945
  • Winding Quantity: 2
  • Nominal Operating Current Rating and Type: 15.0 MILLIAMPERES DC ALL WINDINGS
  • Winding DC Resistance Rating: 85.0 OHMS NOMINAL SECOND WINDING
  • Winding DC Resistance Rating: 85.0 OHMS NOMINAL FIRST WINDING
  • Nonpile-Up Main Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Terminal Type and Quantity: 7 PIN ALL FUNCTIONS
  • Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-251-7373, 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 Lucent Technologies Inc Corporate Headquarters. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 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
NSN5945-00-251-7373
Primary Part Number215H
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerLucent Technologies Inc Corporate Headquarters
StatusACTIVE
Winding Quantity2
Nominal Operating Current Rating and Type15.0 MILLIAMPERES DC ALL WINDINGS
Winding DC Resistance Rating85.0 OHMS NOMINAL SECOND WINDING
Winding DC Resistance Rating85.0 OHMS NOMINAL FIRST WINDING
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Terminal Type and Quantity7 PIN ALL FUNCTIONS
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Environmental ProtectionDUSTPROOF
Coil Quantity1
Duty TypeCONTINUOUS
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES DC RESISTIVE LOAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5120-00-035-6549R428 INTERCHANGEABLE
Socket,wrench,face Spanner
Hiller Aircraft Corporation
3110-00-554-2972 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
215H Lucent Technologies Inc Corporate Headquarters (USA)
R428 Lucent Technologies Inc Corporate Headquarters (USA)
R4-28 American Telephone and Telegraph Co (USA)
R428 Lucent Technologies Inc Dba Federal Marketing Group (USA)
215HRELAY American Telephone and Telegraph Co (USA)
R428 American Telephone and Telegraph Co (USA)
215H American Telephone and Telegraph Co (USA)
Related Parts
5120-00-035-6549INTERCHANGEABLE
SOCKET,WRENCH,FACE SPANNER
R428
3110-00-554-2972INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 5945-00-251-7373?

NSN 5945-00-251-7373 is a Relay,electromagnetic, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-251-7373?

NSN 5945-00-251-7373 has 7 cross-referenced part numbers: 215H (Lucent Technologies Inc Corporate Headquarters), R428 (Lucent Technologies Inc Corporate Headquarters), R4-28 (American Telephone and Telegraph Co), R428 (Lucent Technologies Inc Dba Federal Marketing Group), 215HRELAY (American Telephone and Telegraph Co) and 2 more.

What NSN replaces 5945-00-251-7373?

There are 2 known substitutes for 5945-00-251-7373: 5120-00-035-6549, 3110-00-554-2972. Verify interchangeability with system specifications before substitution.

What are the specifications of 215H?

Key specifications for 215H: Overall Width: 2.680 INCHES NOMINAL IN; Winding Quantity: 2; Nominal Operating Current Rating and Type: 15.0 MILLIAMPERES DC ALL WINDINGS; Winding DC Resistance Rating: 85.0 OHMS NOMINAL SECOND WINDING. 14 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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