PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T521Transformer

Pacific Instrument Co · NSN 5950-00-920-7958 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-920-7958 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-920-7958. Primary manufacturer part number: T521.
Features
  • Transformer — FSC 5950
  • 1 verified cross-reference
  • Primary manufacturer: Pacific Instrument Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer, cataloged under National Stock Number 5950-00-920-7958, 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 Pacific Instrument Co. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTransformer
FSC / FSG5950 — No Item Name Available (FSG 59)
ManufacturersPacific Instrument Co (CAGE 06931)
Technical Specifications
ParameterValue
NSN5950-00-920-7958
Primary Part NumberT521
Item NameTransformer
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPacific Instrument Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5962-00-222-3353511803-1 INTERCHANGEABLE
Microcircuit,linear
L3harris Technologies, Inc. Dba Harris Corporation
5950-00-235-7114T521 INTERCHANGEABLE
Reactor
Electronic Transformer Corp Div Electronic Transformer Corporation
1560-00-625-186447-360-189-1 INTERCHANGEABLE
Window Panel,aircraft
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
T521 Pacific Instrument Co (USA)
Related Parts
5962-00-222-3353INTERCHANGEABLE
MICROCIRCUIT,LINEAR
511803-1
5950-00-235-7114INTERCHANGEABLE
REACTOR
T521
1560-00-625-1864INTERCHANGEABLE
WINDOW PANEL,AIRCRAFT
47-360-189-1

Frequently Asked Questions

What is NSN 5950-00-920-7958?

NSN 5950-00-920-7958 is a Transformer, manufactured by Pacific Instrument Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-920-7958?

NSN 5950-00-920-7958 has 1 cross-referenced part number: T521 (Pacific Instrument Co).

What NSN replaces 5950-00-920-7958?

There are 3 known substitutes for 5950-00-920-7958: 5962-00-222-3353, 5950-00-235-7114, 1560-00-625-1864. Verify interchangeability with system specifications before substitution.

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