PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PEI9999Transformer,power

Precision Electronics, Inc · NSN 5950-01-073-0801 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-073-0801 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-073-0801. Primary manufacturer part number: PEI9999.
Features
  • Transformer,power — FSC 5950
  • Frequency Rating: 47.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Winding Operating Voltage: 25.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
  • Winding Operating Voltage: 14.60 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
  • Input-Output Phase Relationship: THREE PHASE TO THREE PHASE SINGLE COMPONENT
  • Winding Operating Voltage: 208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Maximum Operating Temp: 155.0 CELSIUS DEGC
  • Winding Operating Voltage: 32.60 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-073-0801, 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 Precision Electronics, Inc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-073-0801
Primary Part NumberPEI9999
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPrecision Electronics, Inc
StatusACTIVE
Frequency Rating47.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage25.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage14.60 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Winding Operating Voltage208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Maximum Operating Temp155.0 CELSIUS DEGC
Winding Operating Voltage32.60 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Transformer Winding Connection TypeDELTA-DELTA AND DELTA-WYE
Body Height4.640 INCHES MAXIMUM IN
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity6 TERMINAL BLOCK W/SCREWS
Winding Operating Current8.7 AMPERES DC NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current2.0 AMPERES DC NOMINAL SINGLE COMPONENT THIRD SECONDARY
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Mounting Hole Diameter0.180 INCHES MINIMUM AND 0.240 INCHES MAXIMUM SINGLE GROUP IN
Winding Function and Quantity1 PRIMARY AND 14 SECONDARY SINGLE COMPONENT
Winding Operating Voltage32.60 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width4.600 INCHES MINIMUM AND 4.620 INCHES MAXIMUM IN
Winding Operating Current2.2 AMPERES DC NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Body Length5.895 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Length4.460 INCHES MINIMUM AND 4.480 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current8.7 AMPERES DC NOMINAL SINGLE COMPONENT FIRST SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5130-00-430-0971 INTERCHANGEABLE
Gear Set
2815-00-972-9677109068 INTERCHANGEABLE
Tube,compressor
Cummins Inc.
4720-01-093-744426425 INTERCHANGEABLE
Hose,preformed
Gates Corporation
4720-01-162-51201E08T1E08J-0264 INTERCHANGEABLE
Hose Assembly,nonmetallic
Transdigm Inc Div Adelwiggins Group
2590-01-197-51703675DC175 INTERCHANGEABLE
Air Chamber
Hme, Inc. Dba Hme Ahrens-Fox
3020-01-297-0397 INTERCHANGEABLE
Gear,worm
5980-01-594-6081SBDM9068 INTERCHANGEABLE
Display,optoelectronic
Compass Water Solutions, Inc
Cross-Reference Index
Part NumberManufacturer
PEI9999 Precision Electronics, Inc (USA)
9475880 Sacramento Air Logistics Center Sm-Alc/liil (USA)
8912015 Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) (USA)
109068 Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc (USA)
26425 Torotel, Inc. Div Torotel Products, Inc. (USA)
Related Parts
5130-00-430-0971INTERCHANGEABLE
GEAR SET
2815-00-972-9677INTERCHANGEABLE
TUBE,COMPRESSOR
109068
4720-01-093-7444INTERCHANGEABLE
HOSE,PREFORMED
26425
4720-01-162-5120INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
1E08T1E08J-0264
2590-01-197-5170INTERCHANGEABLE
AIR CHAMBER
3675DC175
3020-01-297-0397INTERCHANGEABLE
GEAR,WORM
5980-01-594-6081INTERCHANGEABLE
DISPLAY,OPTOELECTRONIC
SBDM9068

Frequently Asked Questions

What is NSN 5950-01-073-0801?

NSN 5950-01-073-0801 is a Transformer,power, manufactured by Precision Electronics, Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-073-0801?

NSN 5950-01-073-0801 has 5 cross-referenced part numbers: PEI9999 (Precision Electronics, Inc), 9475880 (Sacramento Air Logistics Center Sm-Alc/liil), 8912015 (Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)), 109068 (Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc), 26425 (Torotel, Inc. Div Torotel Products, Inc.).

What NSN replaces 5950-01-073-0801?

There are 7 known substitutes for 5950-01-073-0801: 5130-00-430-0971, 2815-00-972-9677, 4720-01-093-7444 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PEI9999?

Key specifications for PEI9999: Frequency Rating: 47.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT; Winding Operating Voltage: 25.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY; Winding Operating Voltage: 14.60 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY; Input-Output Phase Relationship: THREE PHASE TO THREE PHASE SINGLE COMPONENT. 26 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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