PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

593R278A02Transformer,power

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5950-01-091-0202 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-091-0202 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-091-0202. Primary manufacturer part number: 593R278A02.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Current: 140.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL PRIMARY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 6.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Terminal Type and Quantity: 22 TAB, SOLDER LUG
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Voltage: 200.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
  • Mounting Hole Diameter: 0.203 INCHES NOMINAL SINGLE 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 5950-01-091-0202, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 13 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-091-0202
Primary Part Number593R278A02
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Winding Operating Current140.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Length6.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity22 TAB, SOLDER LUG
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage200.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Mounting Hole Diameter0.203 INCHES NOMINAL SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypePARTIALLY INCLOSED
Criticality Code JustificationFEAT
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-364-1191 INTERCHANGEABLE
Gasket
4310-00-430-024914-739 INTERCHANGEABLE
Cover
Dresser Industries Inc Leroi Div
2530-00-735-00997350099 INTERCHANGEABLE
Hub Assembly,right Wheel
U S Army Tank Automotive Command Amsta-Im-Mm
5342-00-744-1351 INTERCHANGEABLE
Mount,resilient,weapon System
6520-01-003-227614739 INTERCHANGEABLE
Bur,dental,excavating
Ss White Burs Llc
5310-01-177-181514739 INTERCHANGEABLE
Nut,plain,hexagon
Honeywell International, Inc Div Aerospace-Tucson
8120-01-399-5107 INTERCHANGEABLE
Cylinder,compressed Gas Propylen
5950-01-605-908914739 INTERCHANGEABLE
Transformer,power
Michigan Instruments, Llc Dba Michigan Instruments Inc
Cross-Reference Index
Part NumberManufacturer
593R278 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
593R278A02 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
14739 Precision Electronics, Inc (USA)
Related Parts
5330-00-364-1191INTERCHANGEABLE
GASKET
4310-00-430-0249INTERCHANGEABLE
COVER
14-739
2530-00-735-0099INTERCHANGEABLE
HUB ASSEMBLY,RIGHT WHEEL
7350099
5342-00-744-1351INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
6520-01-003-2276INTERCHANGEABLE
BUR,DENTAL,EXCAVATING
14739
5310-01-177-1815INTERCHANGEABLE
NUT,PLAIN,HEXAGON
14739
8120-01-399-5107INTERCHANGEABLE
CYLINDER,COMPRESSED GAS PROPYLEN
5950-01-605-9089INTERCHANGEABLE
TRANSFORMER,POWER
14739

Frequently Asked Questions

What is NSN 5950-01-091-0202?

NSN 5950-01-091-0202 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-091-0202?

NSN 5950-01-091-0202 has 3 cross-referenced part numbers: 593R278 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 593R278A02 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 14739 (Precision Electronics, Inc).

What NSN replaces 5950-01-091-0202?

There are 8 known substitutes for 5950-01-091-0202: 5330-00-364-1191, 4310-00-430-0249, 2530-00-735-0099 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 593R278A02?

Key specifications for 593R278A02: Overall Length: 6.520 INCHES NOMINAL IN; Special Features: WEAPON SYSTEM ESSENTIAL; Winding Operating Current: 140.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL PRIMARY; Center to Center Distance Between Mounting Facilities Parallel to Length: 6.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 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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