PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PR1110Relay,electromagnetic

Phaostron Instrument and Electronic Company · NSN 5945-00-230-7742 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-230-7742 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-230-7742. Primary manufacturer part number: PR1110.
Features
  • Relay,electromagnetic — FSC 5945
  • Main Contact Maximum Voltage Rating in Volts: 30.0 DC
  • Operating Voltage Rating and Type at Specified Temp: 30.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 250.0 AMPERES DC RESISTIVE LOAD
  • Winding Quantity: 1
  • Duty Type: CONTINUOUS
  • Nonpile-Up Main Contact Arrangement: 2 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-230-7742, 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 Phaostron Instrument and Electronic Company. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5945-00-230-7742
Primary Part NumberPR1110
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerPhaostron Instrument and Electronic Company
StatusACTIVE
Main Contact Maximum Voltage Rating in Volts30.0 DC
Operating Voltage Rating and Type at Specified Temp30.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage250.0 AMPERES DC RESISTIVE LOAD
Winding Quantity1
Duty TypeCONTINUOUS
Nonpile-Up Main Contact Arrangement2 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION
Unthreaded Mounting Hole Diameter0.266 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Coil Quantity1
Winding DC Resistance Rating54.0 OHMS NOMINAL SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length2.406 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-155-7857 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
PR1110 PRIMARY Phaostron Instrument and Electronic Company (USA)
612735 Lockheed Martin Corp (USA)
Related Parts
6240-00-155-7857INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 5945-00-230-7742?

NSN 5945-00-230-7742 is a Relay,electromagnetic, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-230-7742?

NSN 5945-00-230-7742 has 2 cross-referenced part numbers: PR1110 (Phaostron Instrument and Electronic Company), 612735 (Lockheed Martin Corp).

What NSN replaces 5945-00-230-7742?

There is 1 known substitute for 5945-00-230-7742: 6240-00-155-7857. Verify interchangeability with system specifications before substitution.

What are the specifications of PR1110?

Key specifications for PR1110: Overall Length: 4.500 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 30.0 DC; Operating Voltage Rating and Type at Specified Temp: 30.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY. 15 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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