PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X505Relay,electromagnetic

Dri Relays Inc. Dba Dri Relays Inc · NSN 5945-00-949-4218 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-949-4218 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-949-4218. Primary manufacturer part number: X505.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Features Provided: POLARIZED
  • Unthreaded Mounting Hole Diameter: 0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Main Contact Load Current Rating at Maximum Rated Voltage: 10.0 AMPERES AC RESISTIVE LOAD
  • Winding DC Resistance Rating: 300.0 OHMS NOMINAL SINGLE WINDING
  • Winding Quantity: 1
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.430 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 5945-00-949-4218, 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 Dri Relays Inc. Dba Dri Relays Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, 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
NSN5945-00-949-4218
Primary Part NumberX505
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerDri Relays Inc. Dba Dri Relays Inc
StatusACTIVE
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Features ProvidedPOLARIZED
Unthreaded Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES AC RESISTIVE LOAD
Winding DC Resistance Rating300.0 OHMS NOMINAL SINGLE WINDING
Winding Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Length1.430 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Main Contact Maximum Voltage Rating in Volts115.0 AC
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Environmental ProtectionHERMETIC
Coil Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-809-1237 INTERCHANGEABLE
Coil,radio Frequency
Cross-Reference Index
Part NumberManufacturer
X505 Couch S H Co (USA)
X505 PRIMARY Dri Relays Inc. Dba Dri Relays Inc (USA)
271M0051-P001 Raytheon Company Dba Raytheon Co (USA)
271M0051-P001 Raytheon Company (USA)
271M0051-P001 Raytheon Company Div Corp (USA)
Related Parts
5950-00-809-1237INTERCHANGEABLE
COIL,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5945-00-949-4218?

NSN 5945-00-949-4218 is a Relay,electromagnetic, manufactured by Dri Relays Inc. Dba Dri Relays Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-949-4218?

NSN 5945-00-949-4218 has 5 cross-referenced part numbers: X505 (Couch S H Co), X505 (Dri Relays Inc. Dba Dri Relays Inc), 271M0051-P001 (Raytheon Company Dba Raytheon Co), 271M0051-P001 (Raytheon Company), 271M0051-P001 (Raytheon Company Div Corp).

What NSN replaces 5945-00-949-4218?

There is 1 known substitute for 5945-00-949-4218: 5950-00-809-1237. Verify interchangeability with system specifications before substitution.

What are the specifications of X505?

Key specifications for X505: Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY; Features Provided: POLARIZED; Unthreaded Mounting Hole Diameter: 0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Main Contact Load Current Rating at Maximum Rated Voltage: 10.0 AMPERES AC RESISTIVE LOAD. 18 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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