PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74276Transformer,power

Hammond Mfg Co Ltd · NSN 5950-00-407-0173 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-407-0173 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-407-0173. Primary manufacturer part number: 74276.
Features
  • Transformer,power — FSC 5950
  • Terminal Type and Quantity: 7 TAB, SOLDER LUG
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 4.070 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • Input-Output Phase Relationship: THREE PHASE TO THREE PHASE SINGLE COMPONENT
  • Mounting Hole Diameter: 0.224 INCHES NOMINAL SINGLE GROUP IN
  • Winding Operating Voltage: 199.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Inclosure Type: FULLY INCLOSED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-407-0173, 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 18 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-407-0173
Primary Part Number74276
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHammond Mfg Co Ltd
StatusACTIVE
Terminal Type and Quantity7 TAB, SOLDER LUG
Center to Center Distance Between Mounting Facilities Parallel to Length4.070 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Mounting Hole Diameter0.224 INCHES NOMINAL SINGLE GROUP IN
Winding Operating Voltage199.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Width3.390 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width3.810 INCHES NOMINAL IN
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage29.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Current5.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Height2.000 INCHES NOMINAL IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Body Length4.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-156-4644200618 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
3120-00-275-161011668067 INTERCHANGEABLE
Bearing Half,sleeve
Grand Industries Inc
3449-01-184-070270049-1 INTERCHANGEABLE
Rod,spindle
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
6150-01-400-342770049-1 INTERCHANGEABLE
Lead Assembly,electrical
Morpac Industries, Inc Div Actuator
2090-01-519-5616112067 INTERCHANGEABLE
Cover,flag Box
Shield Technologies Corp Div Shield Technologies Corporation
Cross-Reference Index
Part NumberManufacturer
74276 PRIMARY Hammond Mfg Co Ltd (CAN)
70049-1 L3harris Mas Inc Div L3harris Mas Inc. (CAN)
Related Parts
3110-00-156-4644INTERCHANGEABLE
BEARING,BALL,ANNULAR
200618
3120-00-275-1610INTERCHANGEABLE
BEARING HALF,SLEEVE
11668067
3449-01-184-0702INTERCHANGEABLE
ROD,SPINDLE
70049-1
6150-01-400-3427INTERCHANGEABLE
LEAD ASSEMBLY,ELECTRICAL
70049-1
2090-01-519-5616INTERCHANGEABLE
COVER,FLAG BOX
112067

Frequently Asked Questions

What is NSN 5950-00-407-0173?

NSN 5950-00-407-0173 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 5950-00-407-0173?

NSN 5950-00-407-0173 has 2 cross-referenced part numbers: 74276 (Hammond Mfg Co Ltd), 70049-1 (L3harris Mas Inc Div L3harris Mas Inc.).

What NSN replaces 5950-00-407-0173?

There are 5 known substitutes for 5950-00-407-0173: 3110-00-156-4644, 3120-00-275-1610, 3449-01-184-0702 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 74276?

Key specifications for 74276: Terminal Type and Quantity: 7 TAB, SOLDER LUG; Center to Center Distance Between Mounting Facilities Parallel to Length: 4.070 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Reliability Indicator: NOT ESTABLISHED; Input-Output Phase Relationship: THREE PHASE TO THREE PHASE SINGLE COMPONENT. 18 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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