PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61A53C56Transformer,pulse

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-289-9889 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-289-9889 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-289-9889. Primary manufacturer part number: 61A53C56.
Features
  • Transformer,pulse — FSC 5950
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Mounting Hole Diameter: 0.170 INCHES NOMINAL SINGLE GROUP IN
  • Inclosure Type: HERMETICALLY SEALED
  • Terminal Type and Quantity: 7 WIRE HOOK
  • Maximum Operating Temp: 85.0 CELSIUS DEGC
  • Distance Between Mounting Facility Centers: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,pulse, cataloged under National Stock Number 5950-00-289-9889, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-289-9889
Primary Part Number61A53C56
Item NameTransformer,pulse
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Mounting Hole Diameter0.170 INCHES NOMINAL SINGLE GROUP IN
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity7 WIRE HOOK
Maximum Operating Temp85.0 CELSIUS DEGC
Distance Between Mounting Facility Centers1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Outside Diameter0.875 INCHES NOMINAL IN
Mounting Facility Quantity2 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5120-00-240-141840981 INTERCHANGEABLE
Handle,socket Wrench
S K Hand Tool Corp
4820-00-522-391611547U2W026K INTERCHANGEABLE
Valve,regulating,fluid Pressure
Grove Valve Operations
Cross-Reference Index
Part NumberManufacturer
61A53C56 Oeco, Llc (USA)
61A53C56 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
T742 Oeco, Llc (USA)
Related Parts
5120-00-240-1418INTERCHANGEABLE
HANDLE,SOCKET WRENCH
40981
4820-00-522-3916INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
11547U2W026K

Frequently Asked Questions

What is NSN 5950-00-289-9889?

NSN 5950-00-289-9889 is a Transformer,pulse, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-289-9889?

NSN 5950-00-289-9889 has 3 cross-referenced part numbers: 61A53C56 (Oeco, Llc), 61A53C56 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), T742 (Oeco, Llc).

What NSN replaces 5950-00-289-9889?

There are 2 known substitutes for 5950-00-289-9889: 5120-00-240-1418, 4820-00-522-3916. Verify interchangeability with system specifications before substitution.

What are the specifications of 61A53C56?

Key specifications for 61A53C56: Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT; Mounting Hole Diameter: 0.170 INCHES NOMINAL SINGLE GROUP IN; Inclosure Type: HERMETICALLY SEALED; Terminal Type and Quantity: 7 WIRE HOOK. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-289-9889 still in active supply?

NSN 5950-00-289-9889 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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