PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3340-063851870Transformer,power

Department of the Air Force · NSN 5950-00-280-5732 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-280-5732 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-280-5732. Primary manufacturer part number: 3340-063851870.
Features
  • Transformer,power — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Width: 2.156 INCHES NOMINAL IN
  • Winding Operating Current: 3.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Reliability Indicator: NOT ESTABLISHED
  • Body Height: 2.500 INCHES NOMINAL IN
  • Distance Between Mounting Facility Centers: 3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Terminal Type and Quantity: 6 TAB, SOLDER LUG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-280-5732, 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 Department of the Air Force. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-280-5732
Primary Part Number3340-063851870
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width2.156 INCHES NOMINAL IN
Winding Operating Current3.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Reliability IndicatorNOT ESTABLISHED
Body Height2.500 INCHES NOMINAL IN
Distance Between Mounting Facility Centers3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity6 TAB, SOLDER LUG
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeFULLY INCLOSED
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Length3.750 INCHES NOMINAL IN
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage105.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity2 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6240-00-012-5588 INTERCHANGEABLE
Lamp,incandescent
2520-00-436-1479S55 INTERCHANGEABLE
Sliding Sleeve Asse
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
3455-00-517-5964 INTERCHANGEABLE
Cutter,milling,end
5826-00-691-2629F90AIC8 INTERCHANGEABLE
Control,direction Finder
Joint Electronics Type Designation System
2805-00-733-88157338815 INTERCHANGEABLE
Cylinder Sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
4320-01-322-0948110113-154 INTERCHANGEABLE
Pump Unit,centrifugal
Armstrong Pumps Inc
5331-01-676-2576S55 INTERCHANGEABLE
O-Ring
Monroe Engineering Llc Dba Monroe Pmp
5340-01-683-2100S-55 INTERCHANGEABLE
Plunger,quick Release
Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier
Cross-Reference Index
Part NumberManufacturer
3340-063851870 Department of the Air Force (USA)
S55 United Transformer Corp Sub of Opt Industries Inc (USA)
S55 Magnetika Inc (USA)
Related Parts
6240-00-012-5588INTERCHANGEABLE
LAMP,INCANDESCENT
2520-00-436-1479INTERCHANGEABLE
SLIDING SLEEVE ASSE
S55
3455-00-517-5964INTERCHANGEABLE
CUTTER,MILLING,END
5826-00-691-2629INTERCHANGEABLE
CONTROL,DIRECTION FINDER
F90AIC8
2805-00-733-8815INTERCHANGEABLE
CYLINDER SLEEVE
7338815
4320-01-322-0948INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
110113-154
5331-01-676-2576INTERCHANGEABLE
O-RING
S55
5340-01-683-2100INTERCHANGEABLE
PLUNGER,QUICK RELEASE
S-55

Frequently Asked Questions

What is NSN 5950-00-280-5732?

NSN 5950-00-280-5732 is a Transformer,power, manufactured by Department of the Air Force, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-280-5732?

NSN 5950-00-280-5732 has 3 cross-referenced part numbers: 3340-063851870 (Department of the Air Force), S55 (United Transformer Corp Sub of Opt Industries Inc), S55 (Magnetika Inc).

What NSN replaces 5950-00-280-5732?

There are 8 known substitutes for 5950-00-280-5732: 6240-00-012-5588, 2520-00-436-1479, 3455-00-517-5964 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3340-063851870?

Key specifications for 3340-063851870: Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Body Width: 2.156 INCHES NOMINAL IN; Winding Operating Current: 3.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY; Reliability Indicator: NOT ESTABLISHED. 15 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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