PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1233573Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-646-0445 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-646-0445 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-646-0445. Primary manufacturer part number: 1233573.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 1.688 INCHES NOMINAL IN
  • Inclosure Type: HERMETICALLY SEALED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Thread Quantity Per Inch: 32 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-646-0445, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-646-0445
Primary Part Number1233573
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Width1.688 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage90.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current1.33 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Length1.875 INCHES NOMINAL IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Voltage53.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.156 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type and Quantity5 STANDOFF, SOLDER LUG
Body Height2.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-144-595011-1435 INTERCHANGEABLE
Screwdriver
Unison Industries Llc
5930-00-152-86672450HR-4-171 INTERCHANGEABLE
Switch,thermostatic
Honeywell International Inc. Dba Honeywell Div Sensing and Control
1730-00-763-23821C5442G1 INTERCHANGEABLE
Hoisting Unit,aircraft Component
General Electric Company
2910-00-848-1371 INTERCHANGEABLE
Parts Kit,engine Fuel Pump
6240-00-917-0769 INTERCHANGEABLE
Lamp,incandescent
5340-01-054-15884237 INTERCHANGEABLE
Bumper
Auto Vehicle Parts Co Dba Au-Ve-Co
6515-01-160-95324237 INTERCHANGEABLE
Mask,surgical
Johnson and Johnson Medical Inc Sub of Johnson and Johnson
6515-01-164-289548201 INTERCHANGEABLE
Mask Disposable Sur
Kimberly-Clark Corporation
5331-01-264-4236 INTERCHANGEABLE
O-Ring
6145-01-265-71559837 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
Cross-Reference Index
Part NumberManufacturer
1233573 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
4237 Precision Electronics, Inc (USA)
1233573 Arma Div Ambac Industries Inc
Related Parts
5120-00-144-5950INTERCHANGEABLE
SCREWDRIVER
11-1435
5930-00-152-8667INTERCHANGEABLE
SWITCH,THERMOSTATIC
2450HR-4-171
1730-00-763-2382INTERCHANGEABLE
HOISTING UNIT,AIRCRAFT COMPONENT
1C5442G1
2910-00-848-1371INTERCHANGEABLE
PARTS KIT,ENGINE FUEL PUMP
6240-00-917-0769INTERCHANGEABLE
LAMP,INCANDESCENT
5340-01-054-1588INTERCHANGEABLE
BUMPER
4237
6515-01-160-9532INTERCHANGEABLE
MASK,SURGICAL
4237
6515-01-164-2895INTERCHANGEABLE
MASK DISPOSABLE SUR
48201
5331-01-264-4236INTERCHANGEABLE
O-RING
6145-01-265-7155INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
9837
5998-01-371-7808INTERCHANGEABLE
PRINTED WIRING BOARD
4237
6515-01-555-2676INTERCHANGEABLE
FORCEPS,DRESSING
HS8304

Frequently Asked Questions

What is NSN 5950-00-646-0445?

NSN 5950-00-646-0445 is a Transformer,power, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-646-0445?

NSN 5950-00-646-0445 has 3 cross-referenced part numbers: 1233573 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 4237 (Precision Electronics, Inc), 1233573 (Arma Div Ambac Industries Inc).

What NSN replaces 5950-00-646-0445?

There are 12 known substitutes for 5950-00-646-0445: 5120-00-144-5950, 5930-00-152-8667, 1730-00-763-2382 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1233573?

Key specifications for 1233573: Reliability Indicator: NOT ESTABLISHED; Body Width: 1.688 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 19 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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