PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PR11001Relay,electromagnetic

Phaostron Instrument and Electronic Company · NSN 5945-00-201-4201 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-201-4201 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-201-4201. Primary manufacturer part number: PR11001.
Features
  • Relay,electromagnetic — FSC 5945
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Test Data Document: 81349-MIL-R-6106 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Coil Quantity: 1
  • Winding DC Resistance Rating: 94.0 OHMS NOMINAL SINGLE WINDING
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Duty Type: CONTINUOUS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-201-4201, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-201-4201
Primary Part NumberPR11001
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerPhaostron Instrument and Electronic Company
StatusCANCELLED
Center to Center Distance Between Mounting Facilities Parallel to Length1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Test Data Document81349-MIL-R-6106 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Coil Quantity1
Winding DC Resistance Rating94.0 OHMS NOMINAL SINGLE WINDING
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Duty TypeCONTINUOUS
Precious Material and LocationCONTACTS SILVER
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Specification/standard Data81349-AN3350-1 GOVERNMENT STANDARD
Nominal Operating Current Rating and Type350.0 MILLIAMPERES DC SINGLE WINDING
Terminal Type and Quantity4 PIN ALL FUNCTIONS
Unthreaded Mounting Hole Diameter0.218 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage50.0 AMPERES DC RESISTIVE LOAD
Precious MaterialSILVER
Winding Quantity1
Main Contact Maximum Voltage Rating in Volts28.0 DC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4460-00-088-18198971 INTERCHANGEABLE
Filter,air,electrostatic
Air Systems Components Inc Dba Air System Components Inc Div Trion Iaq Div
5330-00-219-25678971 INTERCHANGEABLE
Gasket
Hydro-Aire Aerospace Corp
2640-00-267-2982 INTERCHANGEABLE
Cap,pneumatic Valve
4320-00-398-8152256101-3 INTERCHANGEABLE
Ring,wearing
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5910-00-411-1879154082 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Raytheon Company Dba Raytheon Co
5331-00-506-44578F6711 INTERCHANGEABLE
O-Ring
Caterpillar Inc Div Caterpillar Defense
5340-00-958-59218971 INTERCHANGEABLE
Bracket,double Angle
Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto
5975-01-009-56158971 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5306-01-185-86528971 INTERCHANGEABLE
Bolt,hook
Auto Vehicle Parts Co Dba Au-Ve-Co
5945-01-311-9927 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
PR11001 Phaostron Instrument and Electronic Company (USA)
2561-013 Reliance Comm/tec Corp Lorain Products Div (USA)
154-082 Harsco Corp Bmy-Combat Systems Div (USA)
8971 Triumph Gear Systems Inc Dba Triumph Gear Systems Inc (USA)
6041H201A Safran Power Usa, Llc (USA)
AN3350-1 Aeronautical Standards Group Dept of Navy and Air Force (USA)
1581905 General Motors Corp (USA)
AN3350-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
124KA Reliance Comm/tec Corp Lorain Products Div (USA)
MIL-PRF-6106 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
8376504 Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
342302061 B-N Group Ltd (GBR)
MILR6106 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4460-00-088-1819INTERCHANGEABLE
FILTER,AIR,ELECTROSTATIC
8971
5330-00-219-2567INTERCHANGEABLE
GASKET
8971
2640-00-267-2982INTERCHANGEABLE
CAP,PNEUMATIC VALVE
4320-00-398-8152INTERCHANGEABLE
RING,WEARING
256101-3
5910-00-411-1879INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
154082
5331-00-506-4457INTERCHANGEABLE
O-RING
8F6711
5340-00-958-5921INTERCHANGEABLE
BRACKET,DOUBLE ANGLE
8971
5975-01-009-5615INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
8971
5306-01-185-8652INTERCHANGEABLE
BOLT,HOOK
8971
5945-01-311-9927INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1005-01-497-8549INTERCHANGEABLE
ROTOR,GUN,AUTOMATIC
154082
6515-01-568-2990INTERCHANGEABLE
CLIP,ANEURYSM
FE762K

Frequently Asked Questions

What is NSN 5945-00-201-4201?

NSN 5945-00-201-4201 is a Relay,electromagnetic, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-201-4201?

NSN 5945-00-201-4201 has 13 cross-referenced part numbers: PR11001 (Phaostron Instrument and Electronic Company), 2561-013 (Reliance Comm/tec Corp Lorain Products Div), 154-082 (Harsco Corp Bmy-Combat Systems Div), 8971 (Triumph Gear Systems Inc Dba Triumph Gear Systems Inc), 6041H201A (Safran Power Usa, Llc) and 8 more.

What NSN replaces 5945-00-201-4201?

There are 12 known substitutes for 5945-00-201-4201: 4460-00-088-1819, 5330-00-219-2567, 2640-00-267-2982 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PR11001?

Key specifications for PR11001: Center to Center Distance Between Mounting Facilities Parallel to Length: 1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Test Data Document: 81349-MIL-R-6106 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Coil Quantity: 1. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-201-4201 still in active supply?

NSN 5945-00-201-4201 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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