PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MH250PPTransformer,power

Hammond Mfg Co Ltd · NSN 5950-01-381-3959 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-381-3959 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-381-3959. Primary manufacturer part number: MH250PP.
Features
  • Transformer,power — FSC 5950
  • Mounting Method: SLOT SINGLE GROUP
  • Inclosure Type: OPEN
  • Winding Operating Voltage: 120.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
  • Winding Operating Voltage: 120.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 3.130 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE ALL COMPONENTS
  • Mounting Facility Quantity: 4 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-381-3959, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-381-3959
Primary Part NumberMH250PP
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHammond Mfg Co Ltd
StatusACTIVE
Mounting MethodSLOT SINGLE GROUP
Inclosure TypeOPEN
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Width3.130 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE ALL COMPONENTS
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Slot Width0.220 INCHES NOMINAL SINGLE GROUP IN
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity2 TERMINAL BLOCK W/SCREWS
Maximum Transformer Power Rating250.0 VOLT-AMPERE SINGLE COMPONENT
Winding Operating Current1.04 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3020-00-574-577966010 INTERCHANGEABLE
Gear,spur
L3harris Technologies, Inc Div Space & Airborne Systems
7810-00-853-44917810-00-853-4491 INTERCHANGEABLE
Sinker,fishing Line,lead
General Services Administration Federal Supply Service
5995-01-016-6088600347 INTERCHANGEABLE
Cable Assembly,power,electrical
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
3455-01-047-180351-10714 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4930-01-120-744466010 INTERCHANGEABLE
Ball,equalizer
Mcneil Ohio Corp
2520-01-188-21526-6010 INTERCHANGEABLE
Yoke,universal Joint,vehicular
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
5998-01-572-2402142389 INTERCHANGEABLE
Circuit Card Assembly
Viavi Solutionsllc
7025-01-604-610166010 INTERCHANGEABLE
Interface Unit,automatic Data Pr
Extreme Networks, Inc
4730-01-716-714566010 INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
Cross-Reference Index
Part NumberManufacturer
MH250PP PRIMARY Hammond Mfg Co Ltd (CAN)
66010 Exceltec Intl Corp (USA)
MH250PP Hammond Power Solutions Incdba Hpsi (CAN)
MH250PP Hammond Corp (USA)
PH250PP Hammond Mfg Co Ltd (CAN)
PH250PP Hammond Power Solutions Incdba Hpsi (CAN)
Related Parts
3020-00-574-5779INTERCHANGEABLE
GEAR,SPUR
66010
7810-00-853-4491INTERCHANGEABLE
SINKER,FISHING LINE,LEAD
7810-00-853-4491
5995-01-016-6088INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
600347
3455-01-047-1803INTERCHANGEABLE
CUTTER,MILLING,END
51-10714
4930-01-120-7444INTERCHANGEABLE
BALL,EQUALIZER
66010
2520-01-188-2152INTERCHANGEABLE
YOKE,UNIVERSAL JOINT,VEHICULAR
6-6010
5998-01-572-2402INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
142389
7025-01-604-6101INTERCHANGEABLE
INTERFACE UNIT,AUTOMATIC DATA PR
66010
4730-01-716-7145INTERCHANGEABLE
CLAMP,HOSE
66010

Frequently Asked Questions

What is NSN 5950-01-381-3959?

NSN 5950-01-381-3959 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 5950-01-381-3959?

NSN 5950-01-381-3959 has 6 cross-referenced part numbers: MH250PP (Hammond Mfg Co Ltd), 66010 (Exceltec Intl Corp), MH250PP (Hammond Power Solutions Incdba Hpsi), MH250PP (Hammond Corp), PH250PP (Hammond Mfg Co Ltd) and 1 more.

What NSN replaces 5950-01-381-3959?

There are 9 known substitutes for 5950-01-381-3959: 3020-00-574-5779, 7810-00-853-4491, 5995-01-016-6088 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MH250PP?

Key specifications for MH250PP: Overall Width: 4.380 INCHES NOMINAL IN; Mounting Method: SLOT SINGLE GROUP; Inclosure Type: OPEN; Winding Operating Voltage: 120.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY. 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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