PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9603-1Transformer,power

Robert M. Hadley Company, Inc. · NSN 5950-00-280-4541 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-280-4541 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-280-4541. Primary manufacturer part number: 9603-1.
Features
  • Transformer,power — FSC 5950
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Mounting Hole Diameter: 0.248 INCHES NOMINAL SINGLE GROUP IN
  • Inclosure Type: FULLY INCLOSED
  • Terminal Type and Quantity: 5 THREADED STUD
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Body Length: 1.625 INCHES NOMINAL IN
  • Winding Operating Current: 480.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-280-4541, 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 Robert M. Hadley Company, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5950-00-280-4541
Primary Part Number9603-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRobert M. Hadley Company, Inc.
StatusACTIVE
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Hole Diameter0.248 INCHES NOMINAL SINGLE GROUP IN
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity5 THREADED STUD
Mounting Facility Quantity2 SINGLE GROUP
Body Length1.625 INCHES NOMINAL IN
Winding Operating Current480.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Distance Between Mounting Facility Centers2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width1.625 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Height2.500 INCHES NOMINAL IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage52.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-266-182158898-1816 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Tld Ace Corp Div Tld Ace
5305-01-275-3192257-00011-1 INTERCHANGEABLE
Screw,machine
Kovatch Corp.
5360-01-511-8387 INTERCHANGEABLE
Spring Set,sniper Rifle
5330-01-576-266896031 INTERCHANGEABLE
Gasket
Ingersoll-Rand Company Dba Ingersoll-Rand
5305-01-597-616496031 INTERCHANGEABLE
Screw,machine
Bourns Inc
Cross-Reference Index
Part NumberManufacturer
9603-1 PRIMARY Robert M. Hadley Company, Inc. (USA)
Related Parts
4730-00-266-1821INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
58898-1816
5305-01-275-3192INTERCHANGEABLE
SCREW,MACHINE
257-00011-1
5360-01-511-8387INTERCHANGEABLE
SPRING SET,SNIPER RIFLE
5330-01-576-2668INTERCHANGEABLE
GASKET
96031
5305-01-597-6164INTERCHANGEABLE
SCREW,MACHINE
96031

Frequently Asked Questions

What is NSN 5950-00-280-4541?

NSN 5950-00-280-4541 is a Transformer,power, manufactured by Robert M. Hadley Company, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-280-4541?

NSN 5950-00-280-4541 has 1 cross-referenced part number: 9603-1 (Robert M. Hadley Company, Inc.).

What NSN replaces 5950-00-280-4541?

There are 5 known substitutes for 5950-00-280-4541: 4730-00-266-1821, 5305-01-275-3192, 5360-01-511-8387 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9603-1?

Key specifications for 9603-1: Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT; Mounting Hole Diameter: 0.248 INCHES NOMINAL SINGLE GROUP IN; Inclosure Type: FULLY INCLOSED; Terminal Type and Quantity: 5 THREADED STUD. 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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