PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21375Transformer,power

Robert M. Hadley Company, Inc. · NSN 5950-01-407-3076 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-407-3076 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-407-3076. Primary manufacturer part number: 21375.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 160.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Operating Voltage: 28.40 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Current: 1.2 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Inclosure Type: FULLY INCLOSED
  • Terminal Type and Quantity: 7 PRINTED CIRCUIT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Operating Voltage: 9.60 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-407-3076, 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 10 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-407-3076
Primary Part Number21375
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRobert M. Hadley Company, Inc.
StatusACTIVE
Winding Operating Voltage160.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage28.40 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current1.2 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity7 PRINTED CIRCUIT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage9.60 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Reliability IndicatorNOT ESTABLISHED
Frequency Rating300.00 KILOHERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current3.1 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-100-552921375 INTERCHANGEABLE
Bearing,roller,tapered
Fwd Seagrave Holdings Lp
5305-00-207-4527 INTERCHANGEABLE
Screw,cap,hexagon Head
6615-00-586-3098618-0005-001 INTERCHANGEABLE
Track,erector
Acron Aviation, Inc.
5340-01-095-184321375 INTERCHANGEABLE
Strap,retaining
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
7035-01-095-827921375 INTERCHANGEABLE
Mounting Bar,connec
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5935-01-116-746421375 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
6145-01-155-35475354 INTERCHANGEABLE
Cable,special Purpose,electrical
Almo Wire & Cable, Inc.
4320-01-226-158021375 INTERCHANGEABLE
Pump,centrifugal
Industrial Technologies and Services Llc
3940-01-619-580121-375 INTERCHANGEABLE
Sling,endless
Hii Unmanned Systems, Inc
Cross-Reference Index
Part NumberManufacturer
21375 PRIMARY Robert M. Hadley Company, Inc. (USA)
H8000200-1 Raytheon Company Dba Raytheon (USA)
Related Parts
3110-00-100-5529INTERCHANGEABLE
BEARING,ROLLER,TAPERED
21375
5305-00-207-4527INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
6615-00-586-3098INTERCHANGEABLE
TRACK,ERECTOR
618-0005-001
5340-01-095-1843INTERCHANGEABLE
STRAP,RETAINING
21375
7035-01-095-8279INTERCHANGEABLE
MOUNTING BAR,CONNEC
21375
5935-01-116-7464INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
21375
6145-01-155-3547INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5354
4320-01-226-1580INTERCHANGEABLE
PUMP,CENTRIFUGAL
21375
3940-01-619-5801INTERCHANGEABLE
SLING,ENDLESS
21-375

Frequently Asked Questions

What is NSN 5950-01-407-3076?

NSN 5950-01-407-3076 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 5950-01-407-3076?

NSN 5950-01-407-3076 has 2 cross-referenced part numbers: 21375 (Robert M. Hadley Company, Inc.), H8000200-1 (Raytheon Company Dba Raytheon).

What NSN replaces 5950-01-407-3076?

There are 9 known substitutes for 5950-01-407-3076: 3110-00-100-5529, 5305-00-207-4527, 6615-00-586-3098 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21375?

Key specifications for 21375: Winding Operating Voltage: 160.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Winding Operating Voltage: 28.40 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Winding Operating Current: 1.2 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY; Inclosure Type: FULLY INCLOSED. 10 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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