PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51563Transformer,power

Espey Mfg. & Electronics Corp. · NSN 5950-00-445-6551 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-445-6551 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-445-6551. Primary manufacturer part number: 51563.
Features
  • Transformer,power — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Body Height: 0.500 INCHES NOMINAL IN
  • Terminal Type and Quantity: 6 PIN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Operating Voltage: 5.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Operating Voltage: 5.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Operating Current: 2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-445-6551, 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 Espey Mfg. & Electronics Corp.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-445-6551
Primary Part Number51563
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerEspey Mfg. & Electronics Corp.
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Body Height0.500 INCHES NOMINAL IN
Terminal Type and Quantity6 PIN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage5.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage5.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Length0.875 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width0.562 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Mounting MethodPLUG-IN SINGLE GROUP
Frequency Rating4.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3040-00-338-3335051563 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Eaton Aerospace, Llc Dba Jackson South
5340-00-356-3505SCB69883 INTERCHANGEABLE
Standoff,threaded,spacing
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1680-00-510-304351563 INTERCHANGEABLE
Fitting
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
3040-01-375-812751563 INTERCHANGEABLE
Disc,brake
Aerocontrolex Group, Inc. Div Talley Actuators
6530-01-503-939851563 INTERCHANGEABLE
Patient Roller System
Reeves Mfg Inc
5340-01-526-975551563 INTERCHANGEABLE
Mount,resilient,utility
Tech Products Corp
7530-01-672-7212SE-12P INTERCHANGEABLE
Paper,recording,facsimile
Edan Usa
2840-01-708-171051563 INTERCHANGEABLE
Seal,augmentor Nozzle Section,ai
Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
51563 Espey Mfg. & Electronics Corp. (USA)
SE-12-P Espey Mfg and Electronics Corp (USA)
51563 Espey Mfg and Electronics Corp (USA)
SE-12-P Espey Mfg. & Electronics Corp. (USA)
Related Parts
3040-00-338-3335INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
051563
5340-00-356-3505INTERCHANGEABLE
STANDOFF,THREADED,SPACING
SCB69883
1680-00-510-3043INTERCHANGEABLE
FITTING
51563
3040-01-375-8127INTERCHANGEABLE
DISC,BRAKE
51563
6530-01-503-9398INTERCHANGEABLE
PATIENT ROLLER SYSTEM
51563
5340-01-526-9755INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
51563
7530-01-672-7212INTERCHANGEABLE
PAPER,RECORDING,FACSIMILE
SE-12P
2840-01-708-1710INTERCHANGEABLE
SEAL,AUGMENTOR NOZZLE SECTION,AI
51563

Frequently Asked Questions

What is NSN 5950-00-445-6551?

NSN 5950-00-445-6551 is a Transformer,power, manufactured by Espey Mfg. & Electronics Corp., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-445-6551?

NSN 5950-00-445-6551 has 4 cross-referenced part numbers: 51563 (Espey Mfg. & Electronics Corp.), SE-12-P (Espey Mfg and Electronics Corp), 51563 (Espey Mfg and Electronics Corp), SE-12-P (Espey Mfg. & Electronics Corp.).

What NSN replaces 5950-00-445-6551?

There are 8 known substitutes for 5950-00-445-6551: 3040-00-338-3335, 5340-00-356-3505, 1680-00-510-3043 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51563?

Key specifications for 51563: Inclosure Type: FULLY INCLOSED; Body Height: 0.500 INCHES NOMINAL IN; Terminal Type and Quantity: 6 PIN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 13 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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