PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33728Transformer,discriminator

Freed Transformer Co · NSN 5950-00-845-3732 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-845-3732 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-845-3732. Primary manufacturer part number: 33728.
Features
  • Transformer,discriminator — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Method: PLUG-IN SINGLE GROUP
  • Frequency Rating: 2.89 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Body Height: 3.250 INCHES NOMINAL IN
  • Inclosure Type: FULLY INCLOSED
  • Body Length: 2.312 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,discriminator, cataloged under National Stock Number 5950-00-845-3732, 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 Freed Transformer Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-845-3732
Primary Part Number33728
Item NameTransformer,discriminator
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Mounting MethodPLUG-IN SINGLE GROUP
Frequency Rating2.89 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Height3.250 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Body Length2.312 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity4 PIN
Adjustment Method and Quantity1 ADJUSTABLE CAPACITOR SINGLE COMPONENT
Body Width2.813 INCHES NOMINAL IN
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-154-495222558 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6685-00-217-9010863950 INTERCHANGEABLE
Thermostat,flow Control
Dana Off Highway Products, Llc
2915-00-556-058833728 INTERCHANGEABLE
Spraybar,main
Collins Engine Nozzles, Inc
6550-01-479-1785CT0043B INTERCHANGEABLE
Sensitivity Discs,diagnostic
Remel Inc.
Cross-Reference Index
Part NumberManufacturer
33728 PRIMARY Freed Transformer Co (USA)
D25915-19 Telephone Company of America Incorporated (USA)
Related Parts
5330-00-154-4952INTERCHANGEABLE
SEAL,PLAIN ENCASED
22558
6685-00-217-9010INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
863950
2915-00-556-0588INTERCHANGEABLE
SPRAYBAR,MAIN
33728
6550-01-479-1785INTERCHANGEABLE
SENSITIVITY DISCS,DIAGNOSTIC
CT0043B

Frequently Asked Questions

What is NSN 5950-00-845-3732?

NSN 5950-00-845-3732 is a Transformer,discriminator, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-845-3732?

NSN 5950-00-845-3732 has 2 cross-referenced part numbers: 33728 (Freed Transformer Co), D25915-19 (Telephone Company of America Incorporated).

What NSN replaces 5950-00-845-3732?

There are 4 known substitutes for 5950-00-845-3732: 5330-00-154-4952, 6685-00-217-9010, 2915-00-556-0588 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33728?

Key specifications for 33728: Reliability Indicator: NOT ESTABLISHED; Mounting Method: PLUG-IN SINGLE GROUP; Frequency Rating: 2.89 KILOHERTZ MAXIMUM SINGLE COMPONENT; Body Height: 3.250 INCHES NOMINAL IN. 11 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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