PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

201815-1Relay,electromagnetic

Sypris Electronics, Llc · NSN 5945-00-066-1274 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-066-1274 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-066-1274. Primary manufacturer part number: 201815-1.
Features
  • Relay,electromagnetic — FSC 5945
  • Winding DC Resistance Rating: 200.0 OHMS NOMINAL SINGLE WINDING
  • Terminal Type and Quantity: 12 TAB, SOLDER LUG CONTACTS
  • Coil Quantity: 1
  • Nominal Thread Size: 0.125 INCHES SINGLE MOUNTING FACILITY IN
  • Main Contact Load Current Rating at Maximum Rated Voltage: 8.0 AMPERES AC AND 8.0 AMPERES DC RESISTIVE LOAD
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Operating Voltage Rating and Type at Specified Temp: 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-066-1274, 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 Sypris Electronics, Llc. Government technical data includes 17 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: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-066-1274
Primary Part Number201815-1
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerSypris Electronics, Llc
StatusCANCELLED
Winding DC Resistance Rating200.0 OHMS NOMINAL SINGLE WINDING
Terminal Type and Quantity12 TAB, SOLDER LUG CONTACTS
Coil Quantity1
Nominal Thread Size0.125 INCHES SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage8.0 AMPERES AC AND 8.0 AMPERES DC RESISTIVE LOAD
Center to Center Distance Between Mounting Facilities Parallel to Length1.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Environmental ProtectionHERMETIC
Nominal Operating Current Rating and Type130.0 MILLIAMPERES DC SINGLE WINDING
Duty TypeCONTINUOUS
Terminal Type and Quantity2 TAB, SOLDER LUG ENERGIZING ELEMENT
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Winding Quantity1
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 29.0 DC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5945-00-005-318764A7A33-1 INTERCHANGEABLE
Relay,electromagnetic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5945-00-856-2404 INTERCHANGEABLE
Relay,electromagnetic
5950-01-210-3992201815-1 INTERCHANGEABLE
Reactor
B.c. Systems Inc. Dba Bc Systems Inc
Cross-Reference Index
Part NumberManufacturer
201815-1 PRIMARY Sypris Electronics, Llc (USA)
MHY0-12D26-5VDC PRIMARY Allied Controls, Inc. (USA)
TIP00537 Cecom Lr Center (USA)
13212E3518 Cecom Lr Center (USA)
GR835AP1 Northrop Grumman Systems Corporation (USA)
Related Parts
5945-00-005-3187INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
64A7A33-1
5945-00-856-2404INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5950-01-210-3992INTERCHANGEABLE
REACTOR
201815-1

Frequently Asked Questions

What is NSN 5945-00-066-1274?

NSN 5945-00-066-1274 is a Relay,electromagnetic, manufactured by Sypris Electronics, Llc, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-066-1274?

NSN 5945-00-066-1274 has 5 cross-referenced part numbers: 201815-1 (Sypris Electronics, Llc), MHY0-12D26-5VDC (Allied Controls, Inc.), TIP00537 (Cecom Lr Center), 13212E3518 (Cecom Lr Center), GR835AP1 (Northrop Grumman Systems Corporation).

What NSN replaces 5945-00-066-1274?

There are 3 known substitutes for 5945-00-066-1274: 5945-00-005-3187, 5945-00-856-2404, 5950-01-210-3992. Verify interchangeability with system specifications before substitution.

What are the specifications of 201815-1?

Key specifications for 201815-1: Winding DC Resistance Rating: 200.0 OHMS NOMINAL SINGLE WINDING; Terminal Type and Quantity: 12 TAB, SOLDER LUG CONTACTS; Coil Quantity: 1; Nominal Thread Size: 0.125 INCHES SINGLE MOUNTING FACILITY IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-066-1274 still in active supply?

NSN 5945-00-066-1274 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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