PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12220Transformer,power

Standex Electronics, Inc. · NSN 5950-00-327-4436 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-327-4436 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-327-4436. Primary manufacturer part number: 12220.
Features
  • Transformer,power — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Nominal Thread Size: 0.164 INCHES SINGLE GROUP IN
  • Inclosure Type: HERMETICALLY SEALED
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Body Length: 2.000 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-327-4436, 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 Standex Electronics, Inc.. Government technical data includes 15 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-327-4436
Primary Part Number12220
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerStandex Electronics, Inc.
StatusACTIVE
Mounting Facility Quantity4 SINGLE GROUP
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Width1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Body Length2.000 INCHES MAXIMUM IN
Terminal Type and Quantity13 TURRET
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Outside Diameter2.880 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-189-9265 INTERCHANGEABLE
Drill,twist
5133-00-228-1334 INTERCHANGEABLE
Drill,twist
5120-00-244-126312220 INTERCHANGEABLE
Hookaroon
Columbus Mckinnon Corporation Dba Cm Shredder
4820-00-276-9042185 INTERCHANGEABLE
Cock,drain
Danfoss Power Solutions II, Llc
2915-00-308-140812-220 INTERCHANGEABLE
Bypass,pump
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
4730-00-463-0686 INTERCHANGEABLE
Sleeve,clinch,tube Fitting
5340-00-532-75621222-0 INTERCHANGEABLE
Ring
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
4810-00-674-291712220 INTERCHANGEABLE
Valve,linear,directional Control
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4320-00-915-418812220 INTERCHANGEABLE
Impeller,pump,centrifugal
Air & Liquid Systems Corporation Dba Buffalo Pumps
6150-01-148-273817500 INTERCHANGEABLE
Cable Assembly,power,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
Cross-Reference Index
Part NumberManufacturer
128SCSEA749-1 Northrop Grumman Systems Corporation (USA)
12220 PRIMARY Standex Electronics, Inc. (USA)
Related Parts
5133-00-189-9265INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1334INTERCHANGEABLE
DRILL,TWIST
5120-00-244-1263INTERCHANGEABLE
HOOKAROON
12220
4820-00-276-9042INTERCHANGEABLE
COCK,DRAIN
185
2915-00-308-1408INTERCHANGEABLE
BYPASS,PUMP
12-220
4730-00-463-0686INTERCHANGEABLE
SLEEVE,CLINCH,TUBE FITTING
5340-00-532-7562INTERCHANGEABLE
RING
1222-0
4810-00-674-2917INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
12220
4320-00-915-4188INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
12220
6150-01-148-2738INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
17500
5998-01-166-2545INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3445-01-188-0156INTERCHANGEABLE
BLADE,STATIONARY

Frequently Asked Questions

What is NSN 5950-00-327-4436?

NSN 5950-00-327-4436 is a Transformer,power, manufactured by Standex Electronics, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-327-4436?

NSN 5950-00-327-4436 has 2 cross-referenced part numbers: 128SCSEA749-1 (Northrop Grumman Systems Corporation), 12220 (Standex Electronics, Inc.).

What NSN replaces 5950-00-327-4436?

There are 12 known substitutes for 5950-00-327-4436: 5133-00-189-9265, 5133-00-228-1334, 5120-00-244-1263 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12220?

Key specifications for 12220: Mounting Facility Quantity: 4 SINGLE GROUP; Nominal Thread Size: 0.164 INCHES SINGLE GROUP IN; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 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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