PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

247ASC1287-001Transformer,power

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5950-00-419-9492 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-419-9492 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-419-9492. Primary manufacturer part number: 247ASC1287-001.
Features
  • Transformer,power — FSC 5950
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Terminal Type and Quantity: 14 TURRET
  • Input-Output Phase Relationship: THREE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Body Width: 3.688 INCHES MAXIMUM IN
  • Inclosure Type: HERMETICALLY SEALED
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-419-9492, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 15 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
NSN5950-00-419-9492
Primary Part Number247ASC1287-001
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Terminal Type and Quantity14 TURRET
Input-Output Phase RelationshipTHREE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Body Width3.688 INCHES MAXIMUM IN
Inclosure TypeHERMETICALLY SEALED
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Body Height4.500 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length4.312 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.656 INCHES MINIMUM AND 2.719 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.281 INCHES MINIMUM AND 3.344 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
9905-00-721-8291S2-1B INTERCHANGEABLE
Sign,traffic
Federal Prison Industries, Inc - Ebg
Cross-Reference Index
Part NumberManufacturer
247ASC1287-001 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
S21B B G Laboratories Inc. (USA)
Related Parts
9905-00-721-8291INTERCHANGEABLE
SIGN,TRAFFIC
S2-1B

Frequently Asked Questions

What is NSN 5950-00-419-9492?

NSN 5950-00-419-9492 is a Transformer,power, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-419-9492?

NSN 5950-00-419-9492 has 2 cross-referenced part numbers: 247ASC1287-001 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), S21B (B G Laboratories Inc.).

What NSN replaces 5950-00-419-9492?

There is 1 known substitute for 5950-00-419-9492: 9905-00-721-8291. Verify interchangeability with system specifications before substitution.

What are the specifications of 247ASC1287-001?

Key specifications for 247ASC1287-001: Overall Height: 4.880 INCHES NOMINAL IN; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT; Terminal Type and Quantity: 14 TURRET; Input-Output Phase Relationship: THREE PHASE TO SINGLE PHASE SINGLE COMPONENT. 16 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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