PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1366594Transformer,power

Hitachi Energy Usa Inc · NSN 5950-00-986-7309 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-986-7309 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-986-7309. Primary manufacturer part number: 1366594.
Features
  • Transformer,power — FSC 5950
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 9.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Inclosure Type: FULLY INCLOSED
  • Mounting Hole Diameter: 0.388 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 5950-00-986-7309, 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 Hitachi Energy Usa Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-986-7309
Primary Part Number1366594
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHitachi Energy Usa Inc
StatusCANCELLED
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length9.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Mounting Hole Diameter0.388 INCHES NOMINAL SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width8.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Maximum Transformer Power Rating5.0 KILOVOLT-AMPERE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-036-61735322 INTERCHANGEABLE
Transformer,power
Precision Electronics, Inc
5950-00-058-0650 INTERCHANGEABLE
Transformer,power
5950-00-058-8676 INTERCHANGEABLE
Transformer,power
5950-00-172-5862 INTERCHANGEABLE
Transformer,power
5950-00-245-0996L-675A81 INTERCHANGEABLE
Transformer,power
Aq Transformer Solutions Inc.
5950-00-548-0481S6202-3223863GP3 INTERCHANGEABLE
Transformer,power
Naval Ship Systems Command
5950-00-577-915602-77-2025 INTERCHANGEABLE
Transformer,power
Electric Boat Corporation Div General Dynamics Electric Boat
5950-00-682-3433S6202-3123470GP3 INTERCHANGEABLE
Transformer,power
Naval Ship Systems Command
5950-00-725-3196 INTERCHANGEABLE
Transformer,power
5950-00-754-8255S6202-F-3103713-GR3 INTERCHANGEABLE
Transformer,power
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
19-80-3112 Acme Electric Corp (USA)
1366594 PRIMARY Hitachi Energy Usa Inc (USA)
E36455G1 Acme Electric Corp (USA)
E36455GP1 Acme Electric Corp (USA)
MIL-T-15108 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
T49532 Acme Electric Corp (USA)
Related Parts
5950-00-036-6173INTERCHANGEABLE
TRANSFORMER,POWER
5322
5950-00-058-0650INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-058-8676INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-172-5862INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-245-0996INTERCHANGEABLE
TRANSFORMER,POWER
L-675A81
5950-00-548-0481INTERCHANGEABLE
TRANSFORMER,POWER
S6202-3223863GP3
5950-00-577-9156INTERCHANGEABLE
TRANSFORMER,POWER
02-77-2025
5950-00-682-3433INTERCHANGEABLE
TRANSFORMER,POWER
S6202-3123470GP3
5950-00-725-3196INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-754-8255INTERCHANGEABLE
TRANSFORMER,POWER
S6202-F-3103713-GR3
5950-00-878-0770INTERCHANGEABLE
TRANSFORMER,POWER
S6202F3226697GP4
5950-00-973-4473INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5950-00-986-7309?

NSN 5950-00-986-7309 is a Transformer,power, manufactured by Hitachi Energy Usa Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-986-7309?

NSN 5950-00-986-7309 has 6 cross-referenced part numbers: 19-80-3112 (Acme Electric Corp), 1366594 (Hitachi Energy Usa Inc), E36455G1 (Acme Electric Corp), E36455GP1 (Acme Electric Corp), MIL-T-15108 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5950-00-986-7309?

There are 12 known substitutes for 5950-00-986-7309: 5950-00-036-6173, 5950-00-058-0650, 5950-00-058-8676 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1366594?

Key specifications for 1366594: Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Mounting Facility Quantity: 4 SINGLE GROUP. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-986-7309 still in active supply?

NSN 5950-00-986-7309 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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