PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20330Transformer,power Autotransforme

Raytheon Company Dba Raytheon · NSN 5950-00-645-7104 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-7104 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-7104. Primary manufacturer part number: 20330.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Width: 2.312 INCHES NOMINAL IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Power Rating: 490.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT
  • Winding Operating Voltage: 121.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
  • Body Length: 2.250 INCHES NOMINAL IN
  • Winding Operating Current: 4.25 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-645-7104, 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 Raytheon Company Dba Raytheon. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-7104
Primary Part Number20330
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Length1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width2.312 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Power Rating490.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT
Winding Operating Voltage121.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Body Length2.250 INCHES NOMINAL IN
Winding Operating Current4.25 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT
Center to Center Distance Between Mounting Facilities Parallel to Width0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating380.0 HERTZ MINIMUM AND 1.6 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Height2.844 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Winding Operating Voltage97.00 AC VOLTS NOMINAL AND 101.00 AC VOLTS NOMINAL AND 106.00 AC VOLTS NOMINAL AND 109.00 AC VOLTS NOMINAL AND 111.00 AC VOLTS NOMINAL AND 112.00 AC VOLTS NOMINAL AND 113.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 116.00 AC VOLTS NOMINAL AND 117.00 AC VOLTS NOMINAL AND 118.00 AC VOLTS NOMINAL AND 119.00 AC VOLTS NOMINAL AND 121.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Inclosure TypeOPEN
Terminal Type and Quantity14 TAB, SOLDER LUG
Mounting Facility Quantity4 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5365-00-112-225720330 INTERCHANGEABLE
Spacer,sleeve
Langley Corp
4530-00-394-8521 INTERCHANGEABLE
Door,outer,radial
5330-00-432-36382033 INTERCHANGEABLE
Packing Assembly
Dover Corp Groen Div
6685-00-753-16007531600 INTERCHANGEABLE
Thermostat,flow Control
U S Army Tank Automotive Command Amsta-Im-Mm
4120-00-884-824167A81D2 INTERCHANGEABLE
Air Conditioner
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5950-01-023-3085678-0227-010 INTERCHANGEABLE
Reactor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5950-01-023-923120330 INTERCHANGEABLE
Transformer,pulse
Pulse Engineering Inc
3455-01-025-981919553 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
6515-01-110-138220-330 INTERCHANGEABLE
Curette Set,antrum
Integra Lifesciences Corporation
4820-01-128-9218A10067.002.116 INTERCHANGEABLE
Gland,relief Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
20330 PRIMARY Raytheon Company Dba Raytheon (USA)
325C136 PRIMARY General Dynamics Mission Systems, Inc. Dba Gdms (USA)
325C136 Motorola Inc. Dba Integrated Information Systems Group (USA)
A3871 Foster Transformer Co Div Foster Transformer Company (USA)
Related Parts
5365-00-112-2257INTERCHANGEABLE
SPACER,SLEEVE
20330
4530-00-394-8521INTERCHANGEABLE
DOOR,OUTER,RADIAL
5330-00-432-3638INTERCHANGEABLE
PACKING ASSEMBLY
2033
6685-00-753-1600INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
7531600
4120-00-884-8241INTERCHANGEABLE
AIR CONDITIONER
67A81D2
5950-01-023-3085INTERCHANGEABLE
REACTOR
678-0227-010
5950-01-023-9231INTERCHANGEABLE
TRANSFORMER,PULSE
20330
3455-01-025-9819INTERCHANGEABLE
REAMER,MACHINE
19553
6515-01-110-1382INTERCHANGEABLE
CURETTE SET,ANTRUM
20-330
4820-01-128-9218INTERCHANGEABLE
GLAND,RELIEF VALVE
A10067.002.116
5998-01-248-8597INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
4730-01-254-0953INTERCHANGEABLE
COUPLING,PIPE

Frequently Asked Questions

What is NSN 5950-00-645-7104?

NSN 5950-00-645-7104 is a Transformer,power Autotransforme, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-7104?

NSN 5950-00-645-7104 has 4 cross-referenced part numbers: 20330 (Raytheon Company Dba Raytheon), 325C136 (General Dynamics Mission Systems, Inc. Dba Gdms), 325C136 (Motorola Inc. Dba Integrated Information Systems Group), A3871 (Foster Transformer Co Div Foster Transformer Company).

What NSN replaces 5950-00-645-7104?

There are 12 known substitutes for 5950-00-645-7104: 5365-00-112-2257, 4530-00-394-8521, 5330-00-432-3638 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20330?

Key specifications for 20330: Center to Center Distance Between Mounting Facilities Parallel to Length: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Body Width: 2.312 INCHES NOMINAL IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Winding Power Rating: 490.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT. 17 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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