PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A51S29109-1Transformer,power

Northrop Grumman Systems Corporation · NSN 5950-00-328-8995 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-328-8995 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-328-8995. Primary manufacturer part number: A51S29109-1.
Features
  • Transformer,power — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Width: 2.937 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN
  • Winding Function and Quantity: 1 PRIMARY AND 9 SECONDARY SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Inclosure Type: HERMETICALLY SEALED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-328-8995, 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 Northrop Grumman Systems Corporation. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-328-8995
Primary Part NumberA51S29109-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Width2.937 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 9 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity23 TURRET AND 3 THREADED STUD
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Height3.687 INCHES MINIMUM AND 3.875 INCHES MAXIMUM IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length3.437 INCHES MINIMUM AND 3.562 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5340-00-684-9956333-508-9001 INTERCHANGEABLE
Latch Set,rim
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5340-00-800-037320324 INTERCHANGEABLE
Cover,access
Eagle Crusher Co Inc Dba Stedman Machine Co
5910-00-824-9417913-2988-000 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5998-01-185-399120324 INTERCHANGEABLE
Circuit Card Assembly
U S Dept of Transportation Federal Aviation Administration
4940-01-248-39096-188 INTERCHANGEABLE
Parts Kit,spray Gun
Itw Industrial Finishing Dba Binks Devilbiss
Cross-Reference Index
Part NumberManufacturer
A51S29109-1 Northrop Grumman Systems Corporation (USA)
A51S29109-1 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA)
A51S29109-1 Northrop Grumman Systems Corporation (USA)
20324 Veeco Instruments Inc Lambda Div (USA)
Related Parts
5340-00-684-9956INTERCHANGEABLE
LATCH SET,RIM
333-508-9001
5340-00-800-0373INTERCHANGEABLE
COVER,ACCESS
20324
5910-00-824-9417INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
913-2988-000
5998-01-185-3991INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
20324
4940-01-248-3909INTERCHANGEABLE
PARTS KIT,SPRAY GUN
6-188

Frequently Asked Questions

What is NSN 5950-00-328-8995?

NSN 5950-00-328-8995 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-328-8995?

NSN 5950-00-328-8995 has 4 cross-referenced part numbers: A51S29109-1 (Northrop Grumman Systems Corporation), A51S29109-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems), A51S29109-1 (Northrop Grumman Systems Corporation), 20324 (Veeco Instruments Inc Lambda Div).

What NSN replaces 5950-00-328-8995?

There are 5 known substitutes for 5950-00-328-8995: 5340-00-684-9956, 5340-00-800-0373, 5910-00-824-9417 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A51S29109-1?

Key specifications for A51S29109-1: Mounting Facility Quantity: 4 SINGLE GROUP; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Body Width: 2.937 INCHES MINIMUM AND 3.062 INCHES MAXIMUM IN; Winding Function and Quantity: 1 PRIMARY AND 9 SECONDARY SINGLE COMPONENT. 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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