PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UTCD12Transformer

United Transformer Corp Sub of Opt Industries Inc · NSN 5950-01-137-3666 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-137-3666 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-137-3666. Primary manufacturer part number: UTCD12.
Features
  • Transformer — FSC 5950
  • 2 verified cross-references
  • Primary manufacturer: United Transformer Corp Sub of Opt Industries Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer, cataloged under National Stock Number 5950-01-137-3666, 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 United Transformer Corp Sub of Opt Industries Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTransformer
FSC / FSG5950 — No Item Name Available (FSG 59)
ManufacturersUnited Transformer Corp Sub of Opt Industries Inc (CAGE 80223); Vital Industries (CAGE 26094)
Technical Specifications
ParameterValue
NSN5950-01-137-3666
Primary Part NumberUTCD12
Item NameTransformer
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUnited Transformer Corp Sub of Opt Industries Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-082-5002 INTERCHANGEABLE
Terminal,stud
5962-00-103-0990SN7402AN INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
3110-00-144-8663 INTERCHANGEABLE
Bearing,ball,annular
5330-00-196-178422518CAD INTERCHANGEABLE
Seal,plain Encased
Otis Elevator Co Sub of United Technologies Corp
2805-00-214-060821002 INTERCHANGEABLE
Ring,piston
Briggs and Stratton Corp
5940-00-685-9262 INTERCHANGEABLE
Terminal,stud
5950-00-734-3940 INTERCHANGEABLE
Coil,radio Frequency
7490-00-919-983021002 INTERCHANGEABLE
Spindle,trip Press
Pitney Bowes Inc.
5940-00-983-6115 INTERCHANGEABLE
Terminal Board
6750-01-047-9108 INTERCHANGEABLE
Bleach,photographic
Cross-Reference Index
Part NumberManufacturer
UTCD12 United Transformer Corp Sub of Opt Industries Inc (USA)
21-002 Vital Industries (USA)
Related Parts
5940-00-082-5002INTERCHANGEABLE
TERMINAL,STUD
5962-00-103-0990INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN7402AN
3110-00-144-8663INTERCHANGEABLE
BEARING,BALL,ANNULAR
5330-00-196-1784INTERCHANGEABLE
SEAL,PLAIN ENCASED
22518CAD
2805-00-214-0608INTERCHANGEABLE
RING,PISTON
21002
5940-00-685-9262INTERCHANGEABLE
TERMINAL,STUD
5950-00-734-3940INTERCHANGEABLE
COIL,RADIO FREQUENCY
7490-00-919-9830INTERCHANGEABLE
SPINDLE,TRIP PRESS
21002
5940-00-983-6115INTERCHANGEABLE
TERMINAL BOARD
6750-01-047-9108INTERCHANGEABLE
BLEACH,PHOTOGRAPHIC
5365-01-112-1163INTERCHANGEABLE
RING,RETAINER,BLOWE
5360-01-151-6212INTERCHANGEABLE
SPRING,WASHER
21002

Frequently Asked Questions

What is NSN 5950-01-137-3666?

NSN 5950-01-137-3666 is a Transformer, manufactured by United Transformer Corp Sub of Opt Industries Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-137-3666?

NSN 5950-01-137-3666 has 2 cross-referenced part numbers: UTCD12 (United Transformer Corp Sub of Opt Industries Inc), 21-002 (Vital Industries).

What NSN replaces 5950-01-137-3666?

There are 12 known substitutes for 5950-01-137-3666: 5940-00-082-5002, 5962-00-103-0990, 3110-00-144-8663 and 9 more. Verify interchangeability with system specifications before substitution.

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