PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12187Transformer,power

Decco Inc · NSN 5950-00-842-0024 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-842-0024 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-842-0024. Primary manufacturer part number: 12187.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 125.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Winding Operating Current: 1.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Current: 25.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Terminal Type and Quantity: 8 WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-842-0024, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Decco Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-842-0024
Primary Part Number12187
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDecco Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage125.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Mounting Facility Quantity2 SINGLE GROUP
Winding Operating Current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current25.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Terminal Type and Quantity8 WIRE LEAD
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP IN
Body Width1.312 INCHES NOMINAL IN
Winding Operating Voltage117.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Height1.438 INCHES NOMINAL IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Length2.438 INCHES NOMINAL IN
Distance Between Mounting Facility Centers2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypeOPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5950-00-007-0045 INTERCHANGEABLE
Transformer,power
5310-00-222-723510790 INTERCHANGEABLE
Nut,plain,hexagon
Komatsu America Corporation
4820-00-273-8488FC11579 INTERCHANGEABLE
Valve,bleeder,hydraulic System
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5925-00-279-6762SM-B-185207 INTERCHANGEABLE
Circuit Breaker
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3040-00-862-5591 INTERCHANGEABLE
Clamp,hub
5950-01-149-2885 INTERCHANGEABLE
Coil
5310-01-281-4319 INTERCHANGEABLE
Washer,spring Tension
4140-01-500-3495109P0912H2D01 INTERCHANGEABLE
Fan,centrifugal
Ap Labs, Inc.
5340-01-559-588612187 INTERCHANGEABLE
Bracket,mounting
Bae Systems Information & Electronic Systems Integration Inc.
4820-01-645-056312187 INTERCHANGEABLE
Valve,check
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
Cross-Reference Index
Part NumberManufacturer
12187 PRIMARY Decco Inc (USA)
Related Parts
5950-00-007-0045INTERCHANGEABLE
TRANSFORMER,POWER
5310-00-222-7235INTERCHANGEABLE
NUT,PLAIN,HEXAGON
10790
4820-00-273-8488INTERCHANGEABLE
VALVE,BLEEDER,HYDRAULIC SYSTEM
FC11579
5925-00-279-6762INTERCHANGEABLE
CIRCUIT BREAKER
SM-B-185207
3040-00-862-5591INTERCHANGEABLE
CLAMP,HUB
5950-01-149-2885INTERCHANGEABLE
COIL
5310-01-281-4319INTERCHANGEABLE
WASHER,SPRING TENSION
4140-01-500-3495INTERCHANGEABLE
FAN,CENTRIFUGAL
109P0912H2D01
5340-01-559-5886INTERCHANGEABLE
BRACKET,MOUNTING
12187
4820-01-645-0563INTERCHANGEABLE
VALVE,CHECK
12187

Frequently Asked Questions

What is NSN 5950-00-842-0024?

NSN 5950-00-842-0024 is a Transformer,power, manufactured by Decco Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-842-0024?

NSN 5950-00-842-0024 has 1 cross-referenced part number: 12187 (Decco Inc).

What NSN replaces 5950-00-842-0024?

There are 10 known substitutes for 5950-00-842-0024: 5950-00-007-0045, 5310-00-222-7235, 4820-00-273-8488 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12187?

Key specifications for 12187: Reliability Indicator: NOT ESTABLISHED; Winding Operating Voltage: 125.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY; Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Mounting Facility Quantity: 2 SINGLE GROUP. 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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