PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W199X-8Relay,electromagnetic

Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) · NSN 5945-01-012-4223 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-012-4223 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-012-4223. Primary manufacturer part number: W199X-8.
Features
  • Relay,electromagnetic — FSC 5945
  • Unthreaded Mounting Hole Diameter: 0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Winding DC Resistance Rating: 288.0 OHMS NOMINAL SINGLE WINDING
  • Coil Quantity: 1
  • Nominal Operating Current Rating and Type: 84.0 MILLIAMPERES DC SINGLE WINDING
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Time Delay: 0.015 SECONDS NOMINAL FIXED RELEASE TIME
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-012-4223, 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 Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft). Government technical data includes 16 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-01-012-4223
Primary Part NumberW199X-8
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerSe Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
StatusCANCELLED
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Winding DC Resistance Rating288.0 OHMS NOMINAL SINGLE WINDING
Coil Quantity1
Nominal Operating Current Rating and Type84.0 MILLIAMPERES DC SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Time Delay0.015 SECONDS NOMINAL FIXED RELEASE TIME
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage30.0 AMPERES AC AND 30.0 AMPERES DC RESISTIVE LOAD
Terminal Type and Quantity6 PIN ALL FUNCTIONS
Time Delay0.03 SECONDS NOMINAL FIXED OPERATE TIME
Nonpile-Up Main Contact Arrangement2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Duty TypeCONTINUOUS
Winding Quantity1
Main Contact Maximum Voltage Rating in Volts240.0 AC AND 28.0 DC
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
6210-00-148-8031 INTERCHANGEABLE
Light,indicator
6210-00-974-5841900-200 INTERCHANGEABLE
Light,panel
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
6515-01-010-8761SAS-1.8CC INTERCHANGEABLE
Syringe,cartridge
Ranfac Corp
6630-01-349-6745 INTERCHANGEABLE
Electrode,reference
6640-01-352-0051900200 INTERCHANGEABLE
Dish,biological Staining
Dwk Life Sciences Llc
6520-01-391-4193900200 INTERCHANGEABLE
Pantograph,dental
Denar Corp
5110-01-398-24181819.1 INTERCHANGEABLE
Cutter,cable,hand Operated
Paladin Tools/connectool Inc
5315-01-497-0132600462 INTERCHANGEABLE
Pin,spring
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
4820-01-593-4142 INTERCHANGEABLE
In Line Stop Valve
3040-01-675-1913900200 INTERCHANGEABLE
Clamp,hub
Mcnally Industries, Llc
Cross-Reference Index
Part NumberManufacturer
425BXX24VDC Struthers-Dunn Inc (USA)
W199X-8 PRIMARY Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
900200 Logimetrics Inc (USA)
Related Parts
6210-00-148-8031INTERCHANGEABLE
LIGHT,INDICATOR
6210-00-974-5841INTERCHANGEABLE
LIGHT,PANEL
900-200
6515-01-010-8761INTERCHANGEABLE
SYRINGE,CARTRIDGE
SAS-1.8CC
6630-01-349-6745INTERCHANGEABLE
ELECTRODE,REFERENCE
6640-01-352-0051INTERCHANGEABLE
DISH,BIOLOGICAL STAINING
900200
6520-01-391-4193INTERCHANGEABLE
PANTOGRAPH,DENTAL
900200
5110-01-398-2418INTERCHANGEABLE
CUTTER,CABLE,HAND OPERATED
1819.1
5315-01-497-0132INTERCHANGEABLE
PIN,SPRING
600462
4820-01-593-4142INTERCHANGEABLE
IN LINE STOP VALVE
3040-01-675-1913INTERCHANGEABLE
CLAMP,HUB
900200

Frequently Asked Questions

What is NSN 5945-01-012-4223?

NSN 5945-01-012-4223 is a Relay,electromagnetic, manufactured by Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft), classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-01-012-4223?

NSN 5945-01-012-4223 has 3 cross-referenced part numbers: 425BXX24VDC (Struthers-Dunn Inc), W199X-8 (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)), 900200 (Logimetrics Inc).

What NSN replaces 5945-01-012-4223?

There are 10 known substitutes for 5945-01-012-4223: 6210-00-148-8031, 6210-00-974-5841, 6515-01-010-8761 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W199X-8?

Key specifications for W199X-8: Overall Length: 2.500 INCHES NOMINAL IN; Unthreaded Mounting Hole Diameter: 0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Winding DC Resistance Rating: 288.0 OHMS NOMINAL SINGLE WINDING. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-01-012-4223 still in active supply?

NSN 5945-01-012-4223 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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