PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L504-000-445Transformer,power

Lockheed Martin Librascope Corporation · NSN 5950-01-026-7713 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-026-7713 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-026-7713. Primary manufacturer part number: L504-000-445.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Maximum Transformer Power Rating: 30.0 WATTS SINGLE COMPONENT
  • Winding Operating Voltage: 19.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Power Rating: 38.4 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Mounting Method: SLOT SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE 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 5950-01-026-7713, 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 Lockheed Martin Librascope Corporation. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-026-7713
Primary Part NumberL504-000-445
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Librascope Corporation
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Maximum Transformer Power Rating30.0 WATTS SINGLE COMPONENT
Winding Operating Voltage19.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Power Rating38.4 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Mounting MethodSLOT SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type and Quantity6 TAB, SOLDER LUG
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Height2.563 INCHES MAXIMUM IN
Mounting Facility Quantity4 SINGLE GROUP
Mounting Slot Width0.203 INCHES NOMINAL SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length3.063 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Body Width2.880 INCHES MAXIMUM IN
Winding Operating Current2.0 AMPERES DC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6640-00-855-88731011 INTERCHANGEABLE
Wash Bottle,laboratory
Dwk Life Sciences Llc
Cross-Reference Index
Part NumberManufacturer
03403 B and K Tank Gauge Co (USA)
L504-000-445 PRIMARY Lockheed Martin Librascope Corporation (USA)
Related Parts
6640-00-855-8873INTERCHANGEABLE
WASH BOTTLE,LABORATORY
1011

Frequently Asked Questions

What is NSN 5950-01-026-7713?

NSN 5950-01-026-7713 is a Transformer,power, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-026-7713?

NSN 5950-01-026-7713 has 2 cross-referenced part numbers: 03403 (B and K Tank Gauge Co), L504-000-445 (Lockheed Martin Librascope Corporation).

What NSN replaces 5950-01-026-7713?

There is 1 known substitute for 5950-01-026-7713: 6640-00-855-8873. Verify interchangeability with system specifications before substitution.

What are the specifications of L504-000-445?

Key specifications for L504-000-445: Reliability Indicator: NOT ESTABLISHED; Maximum Transformer Power Rating: 30.0 WATTS SINGLE COMPONENT; Winding Operating Voltage: 19.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Winding Power Rating: 38.4 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY. 20 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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