PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35309Transformer,power

Freed Transformer Co · NSN 5950-00-812-9189 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-812-9189 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-812-9189. Primary manufacturer part number: 35309.
Features
  • Transformer,power — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Series Designator: UNF SINGLE GROUP
  • Body Width: 3.375 INCHES NOMINAL IN
  • Inclosure Type: HERMETICALLY SEALED
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-812-9189, 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 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-812-9189
Primary Part Number35309
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Mounting Facility Quantity4 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNF SINGLE GROUP
Body Width3.375 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Thread Quantity Per Inch32 SINGLE GROUP
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Body Height5.250 INCHES NOMINAL IN
Frequency Rating1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity16 TAB, SOLDER LUG
Center to Center Distance Between Mounting Facilities Parallel to Length2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
Body Length3.938 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
8125-00-552-930935309 INTERCHANGEABLE
Bottle,dropper
Menda Scientific Products Inc
4810-01-057-554435309 INTERCHANGEABLE
Gland
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
7930-01-423-369935309 INTERCHANGEABLE
Towelette,sodium Hypochlorite So
Clorox Co the Headquarters
Cross-Reference Index
Part NumberManufacturer
35309 PRIMARY Freed Transformer Co (USA)
22-1424B Bae Systems Technology Solutions & Services Inc. (USA)
Related Parts
8125-00-552-9309INTERCHANGEABLE
BOTTLE,DROPPER
35309
4810-01-057-5544INTERCHANGEABLE
GLAND
35309
7930-01-423-3699INTERCHANGEABLE
TOWELETTE,SODIUM HYPOCHLORITE SO
35309

Frequently Asked Questions

What is NSN 5950-00-812-9189?

NSN 5950-00-812-9189 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 5950-00-812-9189?

NSN 5950-00-812-9189 has 2 cross-referenced part numbers: 35309 (Freed Transformer Co), 22-1424B (Bae Systems Technology Solutions & Services Inc.).

What NSN replaces 5950-00-812-9189?

There are 3 known substitutes for 5950-00-812-9189: 8125-00-552-9309, 4810-01-057-5544, 7930-01-423-3699. Verify interchangeability with system specifications before substitution.

What are the specifications of 35309?

Key specifications for 35309: Mounting Facility Quantity: 4 SINGLE GROUP; Reliability Indicator: NOT ESTABLISHED; Thread Series Designator: UNF SINGLE GROUP; Body Width: 3.375 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com