PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JD-2557-BTransformer,power

Jenny Products, Inc · NSN 5950-00-255-3370 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-255-3370 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-255-3370. Primary manufacturer part number: JD-2557-B.
Features
  • Transformer,power — FSC 5950
  • Body Height: 2.750 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 3.000 INCHES NOMINAL IN
  • Winding Operating Current: 23.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Mounting Method: TERMINAL SINGLE GROUP
  • Body Length: 3.250 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-255-3370, 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 Jenny Products, Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-255-3370
Primary Part NumberJD-2557-B
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerJenny Products, Inc
StatusACTIVE
Body Height2.750 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Body Width3.000 INCHES NOMINAL IN
Winding Operating Current23.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTERMINAL SINGLE GROUP
Body Length3.250 INCHES NOMINAL IN
Winding Operating Voltage7.50 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type and Quantity4 WIRE LEAD
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-213-150528215 INTERCHANGEABLE
Gasket
Komatsu America Corporation
4730-00-278-37240101-12-12 INTERCHANGEABLE
Nipple,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5360-01-069-484728215 INTERCHANGEABLE
Spring,helical,compression
Mcculloch Corp
4810-01-090-916928215 INTERCHANGEABLE
Seat,valve
Moog Military Aircraft Llc
Cross-Reference Index
Part NumberManufacturer
28215 Scott and Fetzer Co France Mfg Div (USA)
5LAY-03 Scott and Fetzer Co France Mfg Div (USA)
JD-2557 Jenny Products, Inc (USA)
JD-2557-B PRIMARY Jenny Products, Inc (USA)
Related Parts
5330-00-213-1505INTERCHANGEABLE
GASKET
28215
4730-00-278-3724INTERCHANGEABLE
NIPPLE,PIPE
0101-12-12
5360-01-069-4847INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
28215
4810-01-090-9169INTERCHANGEABLE
SEAT,VALVE
28215

Frequently Asked Questions

What is NSN 5950-00-255-3370?

NSN 5950-00-255-3370 is a Transformer,power, manufactured by Jenny Products, Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-255-3370?

NSN 5950-00-255-3370 has 4 cross-referenced part numbers: 28215 (Scott and Fetzer Co France Mfg Div), 5LAY-03 (Scott and Fetzer Co France Mfg Div), JD-2557 (Jenny Products, Inc), JD-2557-B (Jenny Products, Inc).

What NSN replaces 5950-00-255-3370?

There are 4 known substitutes for 5950-00-255-3370: 5330-00-213-1505, 4730-00-278-3724, 5360-01-069-4847 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of JD-2557-B?

Key specifications for JD-2557-B: Body Height: 2.750 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED; Body Width: 3.000 INCHES NOMINAL IN. 13 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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