PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50503BTransformer,power

Hammond Mfg Co Ltd · NSN 5950-00-995-1781 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-995-1781 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-995-1781. Primary manufacturer part number: 50503B.
Features
  • Transformer,power — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
  • Mounting Hole Diameter: 0.189 INCHES NOMINAL SINGLE GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Body Height: 2.312 INCHES MAXIMUM IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-995-1781, 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 Hammond Mfg Co Ltd. Government technical data includes 14 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
NSN5950-00-995-1781
Primary Part Number50503B
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHammond Mfg Co Ltd
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
Mounting Hole Diameter0.189 INCHES NOMINAL SINGLE GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Height2.312 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length2.750 INCHES MAXIMUM IN
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Width2.375 INCHES MAXIMUM IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity13 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-01-498-2181701002 INTERCHANGEABLE
O-Ring
General Pump Inc
Cross-Reference Index
Part NumberManufacturer
50503B PRIMARY Hammond Mfg Co Ltd (CAN)
3320-832 Cmc Electronics Inc (CAN)
Related Parts
5331-01-498-2181INTERCHANGEABLE
O-RING
701002

Frequently Asked Questions

What is NSN 5950-00-995-1781?

NSN 5950-00-995-1781 is a Transformer,power, manufactured by Hammond Mfg Co Ltd, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-995-1781?

NSN 5950-00-995-1781 has 2 cross-referenced part numbers: 50503B (Hammond Mfg Co Ltd), 3320-832 (Cmc Electronics Inc).

What NSN replaces 5950-00-995-1781?

There is 1 known substitute for 5950-00-995-1781: 5331-01-498-2181. Verify interchangeability with system specifications before substitution.

What are the specifications of 50503B?

Key specifications for 50503B: Winding Function and Quantity: 1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT; Mounting Hole Diameter: 0.189 INCHES NOMINAL SINGLE GROUP IN; Mounting Facility Quantity: 4 SINGLE GROUP; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 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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