PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PL92151 BUBBLE 33Transformer,current

Espey Mfg and Electronics Corp · NSN 5950-01-689-5121 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-689-5121 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-689-5121. Primary manufacturer part number: PL92151 BUBBLE 33.
Features
  • Transformer,current — FSC 5950
  • 3 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,current, cataloged under National Stock Number 5950-01-689-5121, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTransformer,current
FSC / FSG5950 — No Item Name Available (FSG 59)
ManufacturersEspey Mfg and Electronics Corp (CAGE 20950); Sentran Corporation Dba Sentrancorp.com (CAGE 336J4)
Technical Specifications
ParameterValue
NSN5950-01-689-5121
Primary Part NumberPL92151 BUBBLE 33
Item NameTransformer,current
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerEspey Mfg and Electronics Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5307-00-356-14759215-1 INTERCHANGEABLE
Stud,plain
Cummins Inc.
4730-00-678-20769215-1 INTERCHANGEABLE
Coupling Half,quick Disconnect
Pneudraulics, Inc.
5935-00-943-129192151 INTERCHANGEABLE
Connector,receptacle,electrical
Telemechanics Inc
8415-01-477-54292AZ36 INTERCHANGEABLE
Jacket,welder's
W.w. Grainger, Inc. Div Government Sales Division
6210-01-689-5103N222B1WAB INTERCHANGEABLE
Light,indicator
Ward Leonard Ct Llc
Cross-Reference Index
Part NumberManufacturer
PL92151 BUBBLE 33 Espey Mfg and Electronics Corp (USA)
5ASC-6000:5A-1.25X4.25 Sentran Corporation Dba Sentrancorp.com (USA)
92151 Espey Mfg and Electronics Corp (USA)
Related Parts
5307-00-356-1475INTERCHANGEABLE
STUD,PLAIN
9215-1
4730-00-678-2076INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
9215-1
5935-00-943-1291INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
92151
8415-01-477-5429INTERCHANGEABLE
JACKET,WELDER'S
2AZ36
6210-01-689-5103INTERCHANGEABLE
LIGHT,INDICATOR
N222B1WAB

Frequently Asked Questions

What is NSN 5950-01-689-5121?

NSN 5950-01-689-5121 is a Transformer,current, manufactured by Espey Mfg and Electronics Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-689-5121?

NSN 5950-01-689-5121 has 3 cross-referenced part numbers: PL92151 BUBBLE 33 (Espey Mfg and Electronics Corp), 5ASC-6000:5A-1.25X4.25 (Sentran Corporation Dba Sentrancorp.com), 92151 (Espey Mfg and Electronics Corp).

What NSN replaces 5950-01-689-5121?

There are 5 known substitutes for 5950-01-689-5121: 5307-00-356-1475, 4730-00-678-2076, 5935-00-943-1291 and 2 more. Verify interchangeability with system specifications before substitution.

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