PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40602Transformer,power

Freed Transformer Co · NSN 5950-01-028-9557 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-028-9557 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-028-9557. Primary manufacturer part number: 40602.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Inclosure Type: FULLY INCLOSED
  • Winding Operating Current: 7.1 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Body Length: 2.750 INCHES NOMINAL IN
  • Body Width: 2.120 INCHES NOMINAL IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Power Rating: 150.0 WATTS SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-028-9557, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-028-9557
Primary Part Number40602
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Winding Operating Current7.1 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Length2.750 INCHES NOMINAL IN
Body Width2.120 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Power Rating150.0 WATTS SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage21.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Height3.250 INCHES NOMINAL IN
Winding Operating Current1.36 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity4 TAB, SOLDER LUG
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage110.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Length2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-155-050861660-013 INTERCHANGEABLE
Transformer,power
Dynalec Corporation
4820-00-216-580540602 INTERCHANGEABLE
Seat,valve
Essex Industries, Inc. Dba Essex Industries
3030-00-528-4286 INTERCHANGEABLE
Belt,v
3040-00-807-884940602 INTERCHANGEABLE
Clamp,hub
L3harris Interstate Electronics Corporation
6680-01-198-4452XM-36465-95-0510-O-L INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
6520-01-212-9437 INTERCHANGEABLE
Bone Resin,synthetic,dental
6508-01-219-327740602 INTERCHANGEABLE
Emollient Cream,skin Care
Beiersdorf Inc
4820-01-225-915840602 INTERCHANGEABLE
Diaphragm,actuator Valve,special
Sullair Corp
6350-01-282-178140602 INTERCHANGEABLE
Horn,signal
Signaltone-Neiman Inc
4410-01-428-982640602 INTERCHANGEABLE
Heater,fluid,electric
Imi Cornelius Inc.
Cross-Reference Index
Part NumberManufacturer
40602 PRIMARY Freed Transformer Co (USA)
Related Parts
5950-00-155-0508INTERCHANGEABLE
TRANSFORMER,POWER
61660-013
4820-00-216-5805INTERCHANGEABLE
SEAT,VALVE
40602
3030-00-528-4286INTERCHANGEABLE
BELT,V
3040-00-807-8849INTERCHANGEABLE
CLAMP,HUB
40602
6680-01-198-4452INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
XM-36465-95-0510-O-L
6520-01-212-9437INTERCHANGEABLE
BONE RESIN,SYNTHETIC,DENTAL
6508-01-219-3277INTERCHANGEABLE
EMOLLIENT CREAM,SKIN CARE
40602
4820-01-225-9158INTERCHANGEABLE
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
40602
6350-01-282-1781INTERCHANGEABLE
HORN,SIGNAL
40602
4410-01-428-9826INTERCHANGEABLE
HEATER,FLUID,ELECTRIC
40602
6530-01-440-5554INTERCHANGEABLE
PAD,POSITIONING,SURGICAL
5330-01-494-5918INTERCHANGEABLE
PACKING,PREFORMED
4615-12500625

Frequently Asked Questions

What is NSN 5950-01-028-9557?

NSN 5950-01-028-9557 is a Transformer,power, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-028-9557?

NSN 5950-01-028-9557 has 1 cross-referenced part number: 40602 (Freed Transformer Co).

What NSN replaces 5950-01-028-9557?

There are 12 known substitutes for 5950-01-028-9557: 5950-00-155-0508, 4820-00-216-5805, 3030-00-528-4286 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40602?

Key specifications for 40602: Reliability Indicator: NOT ESTABLISHED; Inclosure Type: FULLY INCLOSED; Winding Operating Current: 7.1 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY; Body Length: 2.750 INCHES NOMINAL IN. 18 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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