PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1800551REVCTransformer,power

Northrop Grumman Systems Corporation · NSN 5950-00-203-1291 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-203-1291 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-203-1291. Primary manufacturer part number: 1800551REVC.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 105.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inclosure Type: OPEN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Operating Voltage: 2.50 AC VOLTS NOMINAL AND 3.00 AC VOLTS NOMINAL AND 5.00 AC VOLTS NOMINAL AND 7.10 AC VOLTS NOMINAL AND 8.50 AC VOLTS NOMINAL AND 9.50 AC VOLTS NOMINAL AND 12.00 AC VOLTS NOMINAL 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 5950-00-203-1291, 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 6 commercial cross-references from 6 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
NSN5950-00-203-1291
Primary Part Number1800551REVC
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Winding Operating Voltage105.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeOPEN
Center to Center Distance Between Mounting Facilities Parallel to Length2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage2.50 AC VOLTS NOMINAL AND 3.00 AC VOLTS NOMINAL AND 5.00 AC VOLTS NOMINAL AND 7.10 AC VOLTS NOMINAL AND 8.50 AC VOLTS NOMINAL AND 9.50 AC VOLTS NOMINAL AND 12.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Height3.688 INCHES NOMINAL IN
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Terminal Type and Quantity11 SOLDER STUD
Mounting Slot Width0.188 INCHES NOMINAL SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length3.188 INCHES NOMINAL IN
Body Width2.938 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-00-051-0143DM15ED590F04CR INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Silvered Electronic Mica Inc Dba Semco
4820-00-332-984714-354-1 INTERCHANGEABLE
Valve,lift-Check
Parker Hannifin Corporation Div Aerospace Group Headquarters
5330-00-354-20295568991 INTERCHANGEABLE
Gasket
U S Army Tank Automotive Command Amsta-Im-Mm
4310-00-459-59615910 INTERCHANGEABLE
Disk,diaphragm
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
4510-00-470-1866 INTERCHANGEABLE
Guide Arm,water Closet Tank
3110-00-516-5289203TF INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
6150-00-557-39325910 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
4820-00-628-767859-10 INTERCHANGEABLE
Cock,poppet Drain
Arkwin Industries, Inc. Dba Arkwin Industries Inc
5340-01-389-41615910 INTERCHANGEABLE
Handle,manual Control
Trend Tool, Inc.
6530-01-416-2265 INTERCHANGEABLE
Control,respirator,
Cross-Reference Index
Part NumberManufacturer
1800551REVC Raytheon Company (USA)
1800551REVC Raytheon Company Div Corp (USA)
1800551REVC Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
5910 Precision Electronics, Inc (USA)
1800551REVC PRIMARY Northrop Grumman Systems Corporation (USA)
1800551REVC Raytheon Company Dba Raytheon Co (USA)
Related Parts
5910-00-051-0143INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
DM15ED590F04CR
4820-00-332-9847INTERCHANGEABLE
VALVE,LIFT-CHECK
14-354-1
5330-00-354-2029INTERCHANGEABLE
GASKET
5568991
4310-00-459-5961INTERCHANGEABLE
DISK,DIAPHRAGM
5910
4510-00-470-1866INTERCHANGEABLE
GUIDE ARM,WATER CLOSET TANK
3110-00-516-5289INTERCHANGEABLE
BEARING,BALL,ANNULAR
203TF
6150-00-557-3932INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5910
4820-00-628-7678INTERCHANGEABLE
COCK,POPPET DRAIN
59-10
5340-01-389-4161INTERCHANGEABLE
HANDLE,MANUAL CONTROL
5910
6530-01-416-2265INTERCHANGEABLE
CONTROL,RESPIRATOR,
4730-01-477-9946INTERCHANGEABLE
CAP,PIPE
5910
6515-01-517-9572INTERCHANGEABLE
BLADE,SURGICAL KNIFE,DETACHABLE
5910

Frequently Asked Questions

What is NSN 5950-00-203-1291?

NSN 5950-00-203-1291 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 5950-00-203-1291?

NSN 5950-00-203-1291 has 6 cross-referenced part numbers: 1800551REVC (Raytheon Company), 1800551REVC (Raytheon Company Div Corp), 1800551REVC (Lockheed Martin Corporation Div Rms - Mitchel Field), 5910 (Precision Electronics, Inc), 1800551REVC (Northrop Grumman Systems Corporation) and 1 more.

What NSN replaces 5950-00-203-1291?

There are 12 known substitutes for 5950-00-203-1291: 5910-00-051-0143, 4820-00-332-9847, 5330-00-354-2029 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1800551REVC?

Key specifications for 1800551REVC: Winding Operating Voltage: 105.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Inclosure Type: OPEN. 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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