PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-45122Relay,electromagnetic

Ametek Programmable Power, Inc. · NSN 5945-01-157-6636 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-157-6636 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-157-6636. Primary manufacturer part number: 2-45122.
Features
  • Relay,electromagnetic — FSC 5945
  • Material: SILVER CONTACT
  • Duty Type: CONTINUOUS
  • Nonpile-Up Main Contact Arrangement: 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC RESISTIVE LOAD
  • Precious Material and Location: CONTACTS SILVER AND CONTACT SURFACES GOLD
  • Winding DC Resistance Rating: 160.0 OHMS NOMINAL SINGLE WINDING
  • Operating Voltage Rating and Type at Specified Temp: 12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Silver Contact construction
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-157-6636, 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 Ametek Programmable Power, Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-157-6636
Primary Part Number2-45122
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerAmetek Programmable Power, Inc.
StatusACTIVE
MaterialSILVER CONTACT
Duty TypeCONTINUOUS
Nonpile-Up Main Contact Arrangement4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC RESISTIVE LOAD
Precious Material and LocationCONTACTS SILVER AND CONTACT SURFACES GOLD
Winding DC Resistance Rating160.0 OHMS NOMINAL SINGLE WINDING
Operating Voltage Rating and Type at Specified Temp12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Coil Quantity1
Main Contact Maximum Voltage Rating in Volts115.0 AC
Surface TreatmentGOLD CONTACT
Winding Quantity1
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Terminal Type and Quantity14 PIN ALL FUNCTIONS
Precious MaterialSILVER AND GOLD
Environmental ProtectionDUSTPROOF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5305-00-770-2533119450 INTERCHANGEABLE
Screw,machine
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
1680-01-340-778424514-2 INTERCHANGEABLE
Handle,door
Triumph Controls, Llc Dba Triumph Controls, Llc
5130-01-363-25602451-22 INTERCHANGEABLE
Wrench,impact,electric
Milwaukee Electric Tool Corp Dba Milwaukee Electric Tools
6640-01-547-5614245122 INTERCHANGEABLE
Test Tube
Becton, Dickinson and Company Dba Becton Dickinson & Co
Cross-Reference Index
Part NumberManufacturer
2-45122 Ametek Programmable Power, Inc. (USA)
A114D0-12V Cornell-Dubilier Electronics (USA)
A114D0-12V Cornell-Dubilier Marketing Inc (USA)
2-45122 California Instruments Corp (USA)
A1-14D0-12V Cornell-Dubilier Electronics (USA)
Related Parts
5305-00-770-2533INTERCHANGEABLE
SCREW,MACHINE
119450
1680-01-340-7784INTERCHANGEABLE
HANDLE,DOOR
24514-2
5130-01-363-2560INTERCHANGEABLE
WRENCH,IMPACT,ELECTRIC
2451-22
6640-01-547-5614INTERCHANGEABLE
TEST TUBE
245122

Frequently Asked Questions

What is NSN 5945-01-157-6636?

NSN 5945-01-157-6636 is a Relay,electromagnetic, manufactured by Ametek Programmable Power, Inc., classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-157-6636?

NSN 5945-01-157-6636 has 5 cross-referenced part numbers: 2-45122 (Ametek Programmable Power, Inc.), A114D0-12V (Cornell-Dubilier Electronics), A114D0-12V (Cornell-Dubilier Marketing Inc), 2-45122 (California Instruments Corp), A1-14D0-12V (Cornell-Dubilier Electronics).

What NSN replaces 5945-01-157-6636?

There are 4 known substitutes for 5945-01-157-6636: 5305-00-770-2533, 1680-01-340-7784, 5130-01-363-2560 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-45122?

Key specifications for 2-45122: Material: SILVER CONTACT; Duty Type: CONTINUOUS; Nonpile-Up Main Contact Arrangement: 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 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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