PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-125Relay,electromagnetic

Kidde Technologies, Inc Div Kidde Aerospace and Defense · NSN 5945-00-835-8781 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-835-8781 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-835-8781. Primary manufacturer part number: 8-125.
Features
  • Relay,electromagnetic — FSC 5945
  • Nominal Operating Current Rating and Type: 18.0 MILLIAMPERES DC SINGLE WINDING
  • Winding Quantity: 1
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 30.0 DC
  • Environmental Protection: HERMETIC
  • Duty Type: CONTINUOUS
  • Main Contact Load Current Rating at Maximum Rated Voltage: 1.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.062 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 5945-00-835-8781, 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 Kidde Technologies, Inc Div Kidde Aerospace and Defense. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN5945-00-835-8781
Primary Part Number8-125
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerKidde Technologies, Inc Div Kidde Aerospace and Defense
StatusACTIVE
Nominal Operating Current Rating and Type18.0 MILLIAMPERES DC SINGLE WINDING
Winding Quantity1
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 30.0 DC
Environmental ProtectionHERMETIC
Duty TypeCONTINUOUS
Main Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Center to Center Distance Between Mounting Facilities Parallel to Length1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity8 WIRE HOOK ALL FUNCTIONS
Unthreaded Mounting Hole Diameter0.120 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Winding DC Resistance Rating2.5 KILOHMS NOMINAL SINGLE WINDING
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5962-00-006-57428125 INTERCHANGEABLE
Microcircuit,linear
Hydro-Aire Aerospace Corp
3110-00-100-352818690 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
4730-00-277-7003 INTERCHANGEABLE
Cup,oil,lubricating
5305-00-310-47748125 INTERCHANGEABLE
Screw
Signode Corp
5935-00-313-818601-1102-100-004-000 INTERCHANGEABLE
Insert,electrical Connector
Electronic Expeditors Inc
5120-00-473-64887076983 INTERCHANGEABLE
Wrench,open End
U S Army Tank Automotive Command Amsta-Im-Mm
3439-00-874-4353 INTERCHANGEABLE
Tip,electric Soldering Gun
5930-01-061-8093 INTERCHANGEABLE
Switch,push
5975-01-068-04998125 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
6515-01-143-80748125 INTERCHANGEABLE
Electrode,electrocardiograph
Graphic Controls Corp Medical Products Div
Cross-Reference Index
Part NumberManufacturer
8-125 PRIMARY Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
2BN-5034 Hi-G Co Inc Sub of Nytronics Inc (USA)
M1022 Couch S H Co (USA)
Related Parts
5962-00-006-5742INTERCHANGEABLE
MICROCIRCUIT,LINEAR
8125
3110-00-100-3528INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
18690
4730-00-277-7003INTERCHANGEABLE
CUP,OIL,LUBRICATING
5305-00-310-4774INTERCHANGEABLE
SCREW
8125
5935-00-313-8186INTERCHANGEABLE
INSERT,ELECTRICAL CONNECTOR
01-1102-100-004-000
5120-00-473-6488INTERCHANGEABLE
WRENCH,OPEN END
7076983
3439-00-874-4353INTERCHANGEABLE
TIP,ELECTRIC SOLDERING GUN
5930-01-061-8093INTERCHANGEABLE
SWITCH,PUSH
5975-01-068-0499INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
8125
6515-01-143-8074INTERCHANGEABLE
ELECTRODE,ELECTROCARDIOGRAPH
8125
5961-01-242-9353INTERCHANGEABLE
TRANSISTOR
7909348-10
6515-01-268-9275INTERCHANGEABLE
GLOVES,SURGEONS'

Frequently Asked Questions

What is NSN 5945-00-835-8781?

NSN 5945-00-835-8781 is a Relay,electromagnetic, manufactured by Kidde Technologies, Inc Div Kidde Aerospace and Defense, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-835-8781?

NSN 5945-00-835-8781 has 3 cross-referenced part numbers: 8-125 (Kidde Technologies, Inc Div Kidde Aerospace and Defense), 2BN-5034 (Hi-G Co Inc Sub of Nytronics Inc), M1022 (Couch S H Co).

What NSN replaces 5945-00-835-8781?

There are 12 known substitutes for 5945-00-835-8781: 5962-00-006-5742, 3110-00-100-3528, 4730-00-277-7003 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8-125?

Key specifications for 8-125: Nominal Operating Current Rating and Type: 18.0 MILLIAMPERES DC SINGLE WINDING; Winding Quantity: 1; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 30.0 DC; Environmental Protection: HERMETIC. 17 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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