PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12227Transformer,power

Standex Electronics, Inc. · NSN 5950-00-258-6757 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-258-6757 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-258-6757. Primary manufacturer part number: 12227.
Features
  • Transformer,power — FSC 5950
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN
  • Terminal Type and Quantity: 10 WIRE LEAD
  • Winding Operating Voltage: 11.80 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Distance Between Mounting Facility Centers: 1.380 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-258-6757, 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 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-258-6757
Primary Part Number12227
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerStandex Electronics, Inc.
StatusACTIVE
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Terminal Type and Quantity10 WIRE LEAD
Winding Operating Voltage11.80 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Distance Between Mounting Facility Centers1.380 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Body Outside Diameter2.780 INCHES MAXIMUM IN
Transformer Winding Connection TypeSCOTT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length0.630 INCHES MAXIMUM IN
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5133-00-189-9272 INTERCHANGEABLE
Drill,twist
5133-00-228-1338 INTERCHANGEABLE
Drill,twist
6250-00-682-337112-227 INTERCHANGEABLE
Lampholder
Lighting Components and Design Incorporated Dba Lc&d
5330-01-119-715912227 INTERCHANGEABLE
Gasket
Paragon Power Inc Sub of Great Lakes Power Products Inc
5120-01-609-516612227 INTERCHANGEABLE
Wrench,socket
Hdt Expeditionary Systems Inc
1310-01-698-422912227 INTERCHANGEABLE
Dummy Cartridge,40 Millimeter
Lyman Products Corp
Cross-Reference Index
Part NumberManufacturer
12227 Standex Electronics, Inc. (USA)
0073-2071P1 Sierra Networks Inc Sierracom Div (USA)
Related Parts
5133-00-189-9272INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1338INTERCHANGEABLE
DRILL,TWIST
6250-00-682-3371INTERCHANGEABLE
LAMPHOLDER
12-227
5330-01-119-7159INTERCHANGEABLE
GASKET
12227
5120-01-609-5166INTERCHANGEABLE
WRENCH,SOCKET
12227
1310-01-698-4229INTERCHANGEABLE
DUMMY CARTRIDGE,40 MILLIMETER
12227

Frequently Asked Questions

What is NSN 5950-00-258-6757?

NSN 5950-00-258-6757 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 5950-00-258-6757?

NSN 5950-00-258-6757 has 2 cross-referenced part numbers: 12227 (Standex Electronics, Inc.), 0073-2071P1 (Sierra Networks Inc Sierracom Div).

What NSN replaces 5950-00-258-6757?

There are 6 known substitutes for 5950-00-258-6757: 5133-00-189-9272, 5133-00-228-1338, 6250-00-682-3371 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12227?

Key specifications for 12227: Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN; Terminal Type and Quantity: 10 WIRE LEAD. 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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