PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L676A79-SPTransformer,power

Aq Transformer Solutions Inc. · NSN 5950-01-497-1621 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-497-1621 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-497-1621. Primary manufacturer part number: L676A79-SP.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Current: 90.3 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Inclosure Type: FULLY INCLOSED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Operating Voltage: 450.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 277.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Terminal Type and Quantity: 4 WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-497-1621, 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 Aq Transformer Solutions Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-497-1621
Primary Part NumberL676A79-SP
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAq Transformer Solutions Inc.
StatusACTIVE
Winding Operating Current90.3 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeFULLY INCLOSED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage450.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage277.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity4 WIRE LEAD
Winding Operating Current55.6 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-143-6134 INTERCHANGEABLE
Nut,hexagon
2520-00-466-50863695 INTERCHANGEABLE
Strut,clutch Cover
Borg-Warner Corp
5342-01-137-6750 INTERCHANGEABLE
Cover
5895-01-301-3034167185 INTERCHANGEABLE
Modem,communications
Motorola/codex Corp Sub of Motorola Inc
5950-01-542-4301LW2C1932-25 INTERCHANGEABLE
Coil,electrical
Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics
5950-01-691-4614LW1932-25 29759 INTERCHANGEABLE
Transformer,power
Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics
Cross-Reference Index
Part NumberManufacturer
L676A79-SP Jo Kell Inc (USA)
L676A79-SP PRIMARY Aq Transformer Solutions Inc. (USA)
LW1932-25 Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics (USA)
LW1932-25 P/N 28425 Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics (USA)
28425 Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics (USA)
Related Parts
5310-00-143-6134INTERCHANGEABLE
NUT,HEXAGON
2520-00-466-5086INTERCHANGEABLE
STRUT,CLUTCH COVER
3695
5342-01-137-6750INTERCHANGEABLE
COVER
5895-01-301-3034INTERCHANGEABLE
MODEM,COMMUNICATIONS
167185
5950-01-542-4301INTERCHANGEABLE
COIL,ELECTRICAL
LW2C1932-25
5950-01-691-4614INTERCHANGEABLE
TRANSFORMER,POWER
LW1932-25 29759

Frequently Asked Questions

What is NSN 5950-01-497-1621?

NSN 5950-01-497-1621 is a Transformer,power, manufactured by Aq Transformer Solutions Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-497-1621?

NSN 5950-01-497-1621 has 5 cross-referenced part numbers: L676A79-SP (Jo Kell Inc), L676A79-SP (Aq Transformer Solutions Inc.), LW1932-25 (Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics), LW1932-25 P/N 28425 (Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics), 28425 (Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics).

What NSN replaces 5950-01-497-1621?

There are 6 known substitutes for 5950-01-497-1621: 5310-00-143-6134, 2520-00-466-5086, 5342-01-137-6750 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L676A79-SP?

Key specifications for L676A79-SP: Overall Width: 15.250 INCHES NOMINAL IN; Winding Operating Current: 90.3 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Inclosure Type: FULLY INCLOSED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 14 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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