PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P100-21DTransformer,power

Krohn-Hite Corp · NSN 5950-00-995-4735 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-995-4735 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-995-4735. Primary manufacturer part number: P100-21D.
Features
  • Transformer,power — FSC 5950
  • Winding Function and Quantity: 2 PRIMARY AND 8 SECONDARY SINGLE COMPONENT
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Body Length: 4.750 INCHES NOMINAL IN
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
  • Inclosure Type: FULLY INCLOSED
  • Body Height: 5.000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-995-4735, 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 Krohn-Hite Corp. Government technical data includes 16 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-995-4735
Primary Part NumberP100-21D
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerKrohn-Hite Corp
StatusACTIVE
Winding Function and Quantity2 PRIMARY AND 8 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length4.750 INCHES NOMINAL IN
Frequency Rating50.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Inclosure TypeFULLY INCLOSED
Body Height5.000 INCHES NOMINAL IN
Body Width4.750 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Terminal Type and Quantity24 TAB, SOLDER LUG
Thread Series DesignatorUNF SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6610-00-751-791640905 INTERCHANGEABLE
Bracket Assembly,mounting
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6920-01-208-997559901 INTERCHANGEABLE
Deploy Release Mechanism Assembl
Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
4820-01-337-348040905 INTERCHANGEABLE
Parts Kit,valve
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
4420-01-416-455140905 INTERCHANGEABLE
Bonnet,fluid Cooler,industrial
Thermal Transfer Products Ltd
6150-01-486-371140905 INTERCHANGEABLE
Cable Assembly,power,electrical
Tristate Electrical Supply Co Inc
Cross-Reference Index
Part NumberManufacturer
P100-21D PRIMARY Krohn-Hite Corp (USA)
40905 Freed Transformer Co (USA)
Related Parts
6610-00-751-7916INTERCHANGEABLE
BRACKET ASSEMBLY,MOUNTING
40905
6920-01-208-9975INTERCHANGEABLE
DEPLOY RELEASE MECHANISM ASSEMBL
59901
4820-01-337-3480INTERCHANGEABLE
PARTS KIT,VALVE
40905
4420-01-416-4551INTERCHANGEABLE
BONNET,FLUID COOLER,INDUSTRIAL
40905
6150-01-486-3711INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
40905

Frequently Asked Questions

What is NSN 5950-00-995-4735?

NSN 5950-00-995-4735 is a Transformer,power, manufactured by Krohn-Hite Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-995-4735?

NSN 5950-00-995-4735 has 2 cross-referenced part numbers: P100-21D (Krohn-Hite Corp), 40905 (Freed Transformer Co).

What NSN replaces 5950-00-995-4735?

There are 5 known substitutes for 5950-00-995-4735: 6610-00-751-7916, 6920-01-208-9975, 4820-01-337-3480 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P100-21D?

Key specifications for P100-21D: Winding Function and Quantity: 2 PRIMARY AND 8 SECONDARY SINGLE COMPONENT; Mounting Method: THREADED STUD(S) SINGLE GROUP; Body Length: 4.750 INCHES NOMINAL IN; Frequency Rating: 50.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. 16 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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