PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11720Transformer,power

Standex Electronics, Inc. · NSN 5950-01-129-6288 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-129-6288 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-129-6288. Primary manufacturer part number: 11720.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 1.0 KILOHERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Winding Function and Quantity: 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-129-6288, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-129-6288
Primary Part Number11720
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerStandex Electronics, Inc.
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Frequency Rating1.0 KILOHERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Maximum Operating Temp105.0 CELSIUS DEGC
Terminal Type and Quantity10 PIN
Mounting Facility Quantity2 SINGLE GROUP
Winding Operating Voltage8.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5935-00-153-439711-720 INTERCHANGEABLE
Connector,receptacle,electrical
Pollak Joseph Corp
5307-00-174-193111720 INTERCHANGEABLE
Stud,plain
Circor Naval Solutions Llc Dba Warren Pumps
5310-00-580-3039 INTERCHANGEABLE
Washer,flat
3455-00-995-190911720 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
5340-01-124-5977282509 INTERCHANGEABLE
Shield,expansion
Hilti Inc
6550-01-139-7476211720 INTERCHANGEABLE
Culture Medium,thioglycollate
Becton, Dickinson and Company Dba Becton Dickinson & Co
6150-01-174-174321024383-101 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6540-01-239-547411620 INTERCHANGEABLE
Ophthalmoscope
Welch Allyn, Inc.
6540-01-414-2056 INTERCHANGEABLE
Ophthalmoscope
6540-01-466-735811720 INTERCHANGEABLE
Ophthalmoscope
Welch Allyn, Inc.
Cross-Reference Index
Part NumberManufacturer
11720 PRIMARY Standex Electronics, Inc. (USA)
143075-2 Northrop Grumman Systems Corporation (USA)
11720 Northrop Grumman Systems Corporation (USA)
Related Parts
5935-00-153-4397INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
11-720
5307-00-174-1931INTERCHANGEABLE
STUD,PLAIN
11720
5310-00-580-3039INTERCHANGEABLE
WASHER,FLAT
3455-00-995-1909INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11720
5340-01-124-5977INTERCHANGEABLE
SHIELD,EXPANSION
282509
6550-01-139-7476INTERCHANGEABLE
CULTURE MEDIUM,THIOGLYCOLLATE
211720
6150-01-174-1743INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
21024383-101
6540-01-239-5474INTERCHANGEABLE
OPHTHALMOSCOPE
11620
6540-01-414-2056INTERCHANGEABLE
OPHTHALMOSCOPE
6540-01-466-7358INTERCHANGEABLE
OPHTHALMOSCOPE
11720

Frequently Asked Questions

What is NSN 5950-01-129-6288?

NSN 5950-01-129-6288 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 5950-01-129-6288?

NSN 5950-01-129-6288 has 3 cross-referenced part numbers: 11720 (Standex Electronics, Inc.), 143075-2 (Northrop Grumman Systems Corporation), 11720 (Northrop Grumman Systems Corporation).

What NSN replaces 5950-01-129-6288?

There are 10 known substitutes for 5950-01-129-6288: 5935-00-153-4397, 5307-00-174-1931, 5310-00-580-3039 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11720?

Key specifications for 11720: Overall Length: 2.000 INCHES NOMINAL IN; Overall Height: 0.9375 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED; Overall Width: 1.000 INCHES NOMINAL IN. 15 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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