PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GE-3P133Transformer

Espey Mfg and Electronics Corp · NSN 5950-01-172-9722 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-172-9722 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-172-9722. Primary manufacturer part number: GE-3P133.
Features
  • Transformer — FSC 5950
  • 4 verified cross-references
  • Primary manufacturer: Espey Mfg and Electronics Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer, cataloged under National Stock Number 5950-01-172-9722, 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 and Electronics Corp. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTransformer
FSC / FSG5950 — No Item Name Available (FSG 59)
ManufacturersElectronic Transformer Corp Div Electronic Transformer Corporation (CAGE 72149); Espey Mfg. & Electronics Corp. (CAGE 98675); Espey Mfg and Electronics Corp (CAGE 20950); Lockheed Martin Corporation Div Rms (CAGE 03538)
Technical Specifications
ParameterValue
NSN5950-01-172-9722
Primary Part NumberGE-3P133
Item NameTransformer
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerEspey Mfg and Electronics Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5360-00-039-76025173394 INTERCHANGEABLE
Spring,helical,extension
U S Army Tank Automotive Command Amsta-Im-Mm
5365-00-773-208267520-1 INTERCHANGEABLE
Spacer,sleeve
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
675201 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
GE-3P133 Espey Mfg. & Electronics Corp. (USA)
GE-3P133 PRIMARY Espey Mfg and Electronics Corp (USA)
77C718052P001 Lockheed Martin Corporation Div Rms (USA)
Related Parts
5360-00-039-7602INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5173394
5365-00-773-2082INTERCHANGEABLE
SPACER,SLEEVE
67520-1

Frequently Asked Questions

What is NSN 5950-01-172-9722?

NSN 5950-01-172-9722 is a Transformer, manufactured by Espey Mfg and Electronics Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-172-9722?

NSN 5950-01-172-9722 has 4 cross-referenced part numbers: 675201 (Electronic Transformer Corp Div Electronic Transformer Corporation), GE-3P133 (Espey Mfg. & Electronics Corp.), GE-3P133 (Espey Mfg and Electronics Corp), 77C718052P001 (Lockheed Martin Corporation Div Rms).

What NSN replaces 5950-01-172-9722?

There are 2 known substitutes for 5950-01-172-9722: 5360-00-039-7602, 5365-00-773-2082. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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