PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41527Transformer,power

Freed Transformer Co · NSN 5950-00-370-2621 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-370-2621 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-370-2621. Primary manufacturer part number: 41527.
Features
  • Transformer,power — FSC 5950
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
  • Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Body Length: 3.880 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 57.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-370-2621, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-370-2621
Primary Part Number41527
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Thread Quantity Per Inch32 SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Body Length3.880 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Frequency Rating57.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Winding Power Rating4.16 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY
Winding Power Rating31.5 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current5.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Length3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current660.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Body Height4.250 INCHES NOMINAL IN
Winding Power Rating7.9 VOLTS-AMPERES SINGLE COMPONENT THIRD SECONDARY
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Thread Series DesignatorUNF SINGLE GROUP
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity8 TURRET
Winding Operating Voltage79.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Body Width3.510 INCHES NOMINAL IN
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5920-00-284-9206 INTERCHANGEABLE
Fuseholder,block
5985-01-055-8318HJ-0.75K INTERCHANGEABLE
Coupler,directional
Merrimac Industries, Inc
2530-01-066-0138315-1507 INTERCHANGEABLE
Deflector,dirt and Liquid
Stemco Inc Sub of Coltec Industries Inc
4820-01-294-1745PLC-10214 INTERCHANGEABLE
Valve,shuttle
Admiral Valve Llc Dba Cpv Manufacturing
4210-01-311-421541527 INTERCHANGEABLE
Control Head,mechanical,fire Sup
Tyco Fire Products Lp
3020-01-479-438641527 INTERCHANGEABLE
Gear,spur
Moog Inc. Dba Ampac-Isp Corp
7025-01-563-6295403080 INTERCHANGEABLE
Printer,automatic Data Processin
Ricoh Americas Corporation
Cross-Reference Index
Part NumberManufacturer
403080 Aimtron Systems, Llc (USA)
403080 Cardion Inc (USA)
41527 PRIMARY Freed Transformer Co (USA)
Related Parts
5920-00-284-9206INTERCHANGEABLE
FUSEHOLDER,BLOCK
5985-01-055-8318INTERCHANGEABLE
COUPLER,DIRECTIONAL
HJ-0.75K
2530-01-066-0138INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
315-1507
4820-01-294-1745INTERCHANGEABLE
VALVE,SHUTTLE
PLC-10214
4210-01-311-4215INTERCHANGEABLE
CONTROL HEAD,MECHANICAL,FIRE SUP
41527
3020-01-479-4386INTERCHANGEABLE
GEAR,SPUR
41527
7025-01-563-6295INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN
403080

Frequently Asked Questions

What is NSN 5950-00-370-2621?

NSN 5950-00-370-2621 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 5950-00-370-2621?

NSN 5950-00-370-2621 has 3 cross-referenced part numbers: 403080 (Aimtron Systems, Llc), 403080 (Cardion Inc), 41527 (Freed Transformer Co).

What NSN replaces 5950-00-370-2621?

There are 7 known substitutes for 5950-00-370-2621: 5920-00-284-9206, 5985-01-055-8318, 2530-01-066-0138 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41527?

Key specifications for 41527: Thread Quantity Per Inch: 32 SINGLE GROUP; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT; Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN. 28 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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