PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1591Relay,electromagnetic

Jennings Technology Company Llc Dba Jennings · NSN 5945-01-134-7911 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-134-7911 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-134-7911. Primary manufacturer part number: 1591.
Features
  • Relay,electromagnetic — FSC 5945
  • Auxiliary Contact Load Current Rating at Maximum Rated Voltage: 7.0 AMPERES AC AND 7.0 AMPERES DC RESISTIVE LOAD
  • Nonpile-Up Auxiliary Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Winding DC Resistance Rating: 18.7 OHMS NOMINAL SECOND WINDING
  • Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
  • Duty Type: CONTINUOUS
  • Terminal Type and Quantity: 1 CONNECTOR, PLUG ALL FUNCTIONS
  • Auxiliary Contact Maximum Voltage Rating in Volts: 230.0 AC AND 28.0 DC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-134-7911, 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 Jennings Technology Company Llc Dba Jennings. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-134-7911
Primary Part Number1591
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerJennings Technology Company Llc Dba Jennings
StatusACTIVE
Auxiliary Contact Load Current Rating at Maximum Rated Voltage7.0 AMPERES AC AND 7.0 AMPERES DC RESISTIVE LOAD
Nonpile-Up Auxiliary Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Winding DC Resistance Rating18.7 OHMS NOMINAL SECOND WINDING
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Terminal Type and Quantity1 CONNECTOR, PLUG ALL FUNCTIONS
Auxiliary Contact Maximum Voltage Rating in Volts230.0 AC AND 28.0 DC
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Winding Quantity2
Winding DC Resistance Rating20.3 OHMS NOMINAL FIRST WINDING
Coil Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-014-5431 INTERCHANGEABLE
Lamp,incandescent
2990-00-185-7028T-1591 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
4820-00-202-95281871-3-8IN INTERCHANGEABLE
Valve,globe
Flowserve Inc
4730-00-305-97841591 INTERCHANGEABLE
Elbow,pipe
H20 Tank Inc U S Motors Div
2030-00-343-7417 INTERCHANGEABLE
Valve,cutoff
5925-00-417-3256 INTERCHANGEABLE
Ground Fault Circuit Interrupter
6130-00-500-4448 INTERCHANGEABLE
Power Supply
6230-00-520-8797 INTERCHANGEABLE
Spotlight
5965-00-549-0220 INTERCHANGEABLE
Earphone Element
5905-01-085-8334 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Cross-Reference Index
Part NumberManufacturer
1591 Jennings Technology Company Llc Dba Jennings (USA)
RC5A1591A24B Jennings Technology Company Llc Dba Jennings (USA)
Related Parts
6240-00-014-5431INTERCHANGEABLE
LAMP,INCANDESCENT
2990-00-185-7028INTERCHANGEABLE
MUFFLER,EXHAUST
T-1591
4820-00-202-9528INTERCHANGEABLE
VALVE,GLOBE
1871-3-8IN
4730-00-305-9784INTERCHANGEABLE
ELBOW,PIPE
1591
2030-00-343-7417INTERCHANGEABLE
VALVE,CUTOFF
5925-00-417-3256INTERCHANGEABLE
GROUND FAULT CIRCUIT INTERRUPTER
6130-00-500-4448INTERCHANGEABLE
POWER SUPPLY
6230-00-520-8797INTERCHANGEABLE
SPOTLIGHT
5965-00-549-0220INTERCHANGEABLE
EARPHONE ELEMENT
5905-01-085-8334INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5330-01-146-1642INTERCHANGEABLE
PACKING
159-01
6240-01-152-7045INTERCHANGEABLE
LAMP,INCANDESCENT
CM1591

Frequently Asked Questions

What is NSN 5945-01-134-7911?

NSN 5945-01-134-7911 is a Relay,electromagnetic, manufactured by Jennings Technology Company Llc Dba Jennings, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-134-7911?

NSN 5945-01-134-7911 has 2 cross-referenced part numbers: 1591 (Jennings Technology Company Llc Dba Jennings), RC5A1591A24B (Jennings Technology Company Llc Dba Jennings).

What NSN replaces 5945-01-134-7911?

There are 12 known substitutes for 5945-01-134-7911: 6240-00-014-5431, 2990-00-185-7028, 4820-00-202-9528 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1591?

Key specifications for 1591: Auxiliary Contact Load Current Rating at Maximum Rated Voltage: 7.0 AMPERES AC AND 7.0 AMPERES DC RESISTIVE LOAD; Nonpile-Up Auxiliary Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Winding DC Resistance Rating: 18.7 OHMS NOMINAL SECOND WINDING; Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) 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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