PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

271MR19P2Relay,electromagnetic

Raytheon Company Dba Raytheon Co · NSN 5945-00-578-4008 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-578-4008 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-578-4008. Primary manufacturer part number: 271MR19P2.
Features
  • Relay,electromagnetic — FSC 5945
  • Environmental Protection: HERMETIC
  • Main Contact Maximum Voltage Rating in Volts: 120.0 AC AND 30.0 DC
  • Terminal Type and Quantity: 14 PIN ALL FUNCTIONS
  • Nominal Operating Current Rating and Type: 66.0 MILLIAMPERES DC SINGLE WINDING
  • Mounting Facility Type and Quantity: 2 THREADED STUD(S) SINGLE MOUNTING FACILITY
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
  • Coil Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-578-4008, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 7 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
NSN5945-00-578-4008
Primary Part Number271MR19P2
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Environmental ProtectionHERMETIC
Main Contact Maximum Voltage Rating in Volts120.0 AC AND 30.0 DC
Terminal Type and Quantity14 PIN ALL FUNCTIONS
Nominal Operating Current Rating and Type66.0 MILLIAMPERES DC SINGLE WINDING
Mounting Facility Type and Quantity2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Thread Class2A SINGLE MOUNTING FACILITY A
Coil Quantity1
Winding DC Resistance Rating300.0 OHMS NOMINAL SINGLE WINDING
Duty TypeCONTINUOUS
Overall Diameter1.000 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage1.5 AMPERES AC AND 1.5 AMPERES DC RESISTIVE LOAD
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Winding Quantity1
Nominal Thread Size0.164 INCHES SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Length0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Pile-Up Main Contact Form Arrangement4C
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6515-00-104-8212X0270 INTERCHANGEABLE
Sleeve,forceps Jaw Protecting
Bausch & Lomb Incorporated Div Surgical
5310-00-113-3882 INTERCHANGEABLE
Washer,lock
5310-01-405-994417325 SKC-1198 ITEM X270 INTERCHANGEABLE
Nut,self-Locking,hexagon
Coffin Turbo Pump Inc
Cross-Reference Index
Part NumberManufacturer
271MR19P2 Raytheon Company (USA)
271M0019P002 Raytheon Company (USA)
271MR019P002 Raytheon Company Div Corp (USA)
X270 Dri Relays Inc. Dba Dri Relays Inc (USA)
271MR019P002 Raytheon Company (USA)
271MS019P002 Raytheon Company Dba Raytheon Co (USA)
271MS019P002 Raytheon Company Div Corp (USA)
4SL1669-1 Hi-G Co Inc Sub of Nytronics Inc (USA)
271MR019P002 Raytheon Co Missile Systems Div Lowell Plant (USA)
271MS019P002 Raytheon Company Dba Raytheon Co (USA)
271MS019P002 Raytheon Company (USA)
271M0019P002 Raytheon Company Dba Raytheon Co (USA)
4A36C Dri Relays Inc. Dba Dri Relays Inc (USA)
X270 Couch S H Co (USA)
271M0019P002 Raytheon Company Div Corp (USA)
4A36C Couch S H Co (USA)
271MR019P002 Raytheon Company Dba Raytheon Co (USA)
271MR19P2 PRIMARY Raytheon Company Dba Raytheon Co (USA)
271MR19P2 Raytheon Company Div Corp (USA)
Related Parts
6515-00-104-8212INTERCHANGEABLE
SLEEVE,FORCEPS JAW PROTECTING
X0270
5310-00-113-3882INTERCHANGEABLE
WASHER,LOCK
5310-01-405-9944INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
17325 SKC-1198 ITEM X270

Frequently Asked Questions

What is NSN 5945-00-578-4008?

NSN 5945-00-578-4008 is a Relay,electromagnetic, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-578-4008?

NSN 5945-00-578-4008 has 19 cross-referenced part numbers: 271MR19P2 (Raytheon Company), 271M0019P002 (Raytheon Company), 271MR019P002 (Raytheon Company Div Corp), X270 (Dri Relays Inc. Dba Dri Relays Inc), 271MR019P002 (Raytheon Company) and 14 more.

What NSN replaces 5945-00-578-4008?

There are 3 known substitutes for 5945-00-578-4008: 6515-00-104-8212, 5310-00-113-3882, 5310-01-405-9944. Verify interchangeability with system specifications before substitution.

What are the specifications of 271MR19P2?

Key specifications for 271MR19P2: Environmental Protection: HERMETIC; Main Contact Maximum Voltage Rating in Volts: 120.0 AC AND 30.0 DC; Overall Length: 2.180 INCHES NOMINAL IN; Terminal Type and Quantity: 14 PIN ALL FUNCTIONS. 19 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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