PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F90-XTransformer,power

British Sarozal Ltd · NSN 5950-00-985-1668 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-985-1668 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-985-1668. Primary manufacturer part number: F90-X.
Features
  • Transformer,power — FSC 5950
  • Body Width: 1.620 INCHES MAXIMUM IN
  • Mounting Hole Diameter: 0.188 INCHES NOMINAL SINGLE GROUP IN
  • Body Height: 1.620 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Terminal Type and Quantity: 9 WIRE LEAD
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Frequency Rating: 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-985-1668, 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 British Sarozal Ltd. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-985-1668
Primary Part NumberF90-X
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBritish Sarozal Ltd
StatusCANCELLED
Body Width1.620 INCHES MAXIMUM IN
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP IN
Body Height1.620 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity9 WIRE LEAD
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current100.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeOPEN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Distance Between Mounting Facility Centers2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length2.000 INCHES NOMINAL IN
Mounting Facility Quantity2 SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage10.00 AC VOLTS NOMINAL AND 40.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Reliability IndicatorNOT ESTABLISHED
Features ProvidedCOLOR CODED LEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4940-00-259-2568TP2 INTERCHANGEABLE
Tank Strainer,degreaser
Randall Mfg. Co., Inc.
3455-00-293-052408720 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
3030-00-702-7942 INTERCHANGEABLE
Belts,v,matched Set
3120-00-726-925410891826 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
5945-00-856-1787942D004-1 INTERCHANGEABLE
Armature,relay
Hamilton Sundstrand Corporation
5975-01-162-2694TP2-C INTERCHANGEABLE
Mounting Base,tie Down,electrica
Panduit Corp.
6625-01-254-9478 INTERCHANGEABLE
Test Prod Kit
6625-01-612-8507TP2 INTERCHANGEABLE
Probe,test
Fluke Corp
6130-01-655-0364TP2 INTERCHANGEABLE
Power Supply
Tableau Software, Llc Dba Tableau Software
Cross-Reference Index
Part NumberManufacturer
F90-X British Sarozal Ltd (GBR)
F90X Austin Arnold C (USA)
F90X Triad Corp (USA)
F90X Magnetek Inc Huntington Div (USA)
842-0374 L3 Aviation Products, Inc. Dba L3 Technologies (USA)
948-020020 Maniabarco Inc. (USA)
412376-9 Raytheon Company Dba Raytheon (USA)
9874-205R1PC4 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
73678-16X5PC4 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
TP2 Emerson Electric Co White-Rodgers Div (USA)
J72-0073 Ward Leonard Ct Llc (USA)
B462 Allen-Bradley Co Encoder Products Unit Industrial Control Div (USA)
23V116 Thordarson Inc (USA)
Related Parts
4940-00-259-2568INTERCHANGEABLE
TANK STRAINER,DEGREASER
TP2
3455-00-293-0524INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
08720
3030-00-702-7942INTERCHANGEABLE
BELTS,V,MATCHED SET
3120-00-726-9254INTERCHANGEABLE
BEARING,SLEEVE
10891826
5945-00-856-1787INTERCHANGEABLE
ARMATURE,RELAY
942D004-1
5975-01-162-2694INTERCHANGEABLE
MOUNTING BASE,TIE DOWN,ELECTRICA
TP2-C
6625-01-254-9478INTERCHANGEABLE
TEST PROD KIT
6625-01-612-8507INTERCHANGEABLE
PROBE,TEST
TP2
6130-01-655-0364INTERCHANGEABLE
POWER SUPPLY
TP2

Frequently Asked Questions

What is NSN 5950-00-985-1668?

NSN 5950-00-985-1668 is a Transformer,power, manufactured by British Sarozal Ltd, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-985-1668?

NSN 5950-00-985-1668 has 13 cross-referenced part numbers: F90-X (British Sarozal Ltd), F90X (Austin Arnold C), F90X (Triad Corp), F90X (Magnetek Inc Huntington Div), 842-0374 (L3 Aviation Products, Inc. Dba L3 Technologies) and 8 more.

What NSN replaces 5950-00-985-1668?

There are 9 known substitutes for 5950-00-985-1668: 4940-00-259-2568, 3455-00-293-0524, 3030-00-702-7942 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F90-X?

Key specifications for F90-X: Body Width: 1.620 INCHES MAXIMUM IN; Mounting Hole Diameter: 0.188 INCHES NOMINAL SINGLE GROUP IN; Body Height: 1.620 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-985-1668 still in active supply?

NSN 5950-00-985-1668 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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