PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T8273Transformer,power

Ptc Transformers · NSN 5950-00-978-9512 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-978-9512 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-978-9512. Primary manufacturer part number: T8273.
Features
  • Transformer,power — FSC 5950
  • Body Height: 3.875 INCHES NOMINAL IN
  • Mounting Method: FLANGE AND SLOT SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Body Width: 4.125 INCHES NOMINAL IN
  • Terminal Type and Quantity: 12 TAB, SOLDER LUG
  • Winding Function and Quantity: 1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-978-9512, 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 Ptc Transformers. Government technical data includes 15 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-978-9512
Primary Part NumberT8273
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPtc Transformers
StatusACTIVE
Body Height3.875 INCHES NOMINAL IN
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Body Width4.125 INCHES NOMINAL IN
Terminal Type and Quantity12 TAB, SOLDER LUG
Winding Function and Quantity1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length3.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating50.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Length4.750 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Mounting Slot Width0.250 INCHES NOMINAL SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2990-00-163-081808273M INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
Cross-Reference Index
Part NumberManufacturer
T8273 Ptc Transformers (USA)
200-2047 Pax Mfg Corp Pax Electronics Div (USA)
T8273 Nwl, Inc. (USA)
Related Parts
2990-00-163-0818INTERCHANGEABLE
MUFFLER,EXHAUST
08273M

Frequently Asked Questions

What is NSN 5950-00-978-9512?

NSN 5950-00-978-9512 is a Transformer,power, manufactured by Ptc Transformers, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-978-9512?

NSN 5950-00-978-9512 has 3 cross-referenced part numbers: T8273 (Ptc Transformers), 200-2047 (Pax Mfg Corp Pax Electronics Div), T8273 (Nwl, Inc.).

What NSN replaces 5950-00-978-9512?

There is 1 known substitute for 5950-00-978-9512: 2990-00-163-0818. Verify interchangeability with system specifications before substitution.

What are the specifications of T8273?

Key specifications for T8273: Body Height: 3.875 INCHES NOMINAL IN; Mounting Method: FLANGE AND SLOT SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Body Width: 4.125 INCHES NOMINAL IN. 15 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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