PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7817Transformer,power

Staco Energy Products Co Dba Staco Energy Products Co · NSN 5950-00-702-1977 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-702-1977 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-702-1977. Primary manufacturer part number: 7817.
Features
  • Transformer,power — FSC 5950
  • Mounting Hole Diameter: 0.391 INCHES NOMINAL SINGLE GROUP IN
  • Inclosure Type: FULLY INCLOSED
  • Body Length: 13.688 INCHES NOMINAL IN
  • Mounting Bolt Circle Diameter: 6.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Height: 8.438 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-702-1977, 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 Staco Energy Products Co Dba Staco Energy Products Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5950-00-702-1977
Primary Part Number7817
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerStaco Energy Products Co Dba Staco Energy Products Co
StatusACTIVE
Mounting Hole Diameter0.391 INCHES NOMINAL SINGLE GROUP IN
Inclosure TypeFULLY INCLOSED
Body Length13.688 INCHES NOMINAL IN
Mounting Bolt Circle Diameter6.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Height8.438 INCHES NOMINAL IN
Body Width9.125 INCHES NOMINAL IN
Mounting Facility Quantity3 SINGLE GROUP
Terminal Type and Quantity4 TAB, SOLDER LUG
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4510-00-142-2599 INTERCHANGEABLE
Tailpiece,waste Drain
2540-00-188-9633S1278 INTERCHANGEABLE
Cushion,seat,vehicular
The Wise Company Llc
5950-00-224-448405592 INTERCHANGEABLE
Transformer,audio Frequency
L3harris Technologies, Inc. Div Space and Airborne Systems
5315-00-445-3267 INTERCHANGEABLE
Pin,quick Release
4730-00-488-8324FC-5735-D INTERCHANGEABLE
Reducer,boss
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5962-01-057-7056G390460-1 INTERCHANGEABLE
Microcircuit,memory
L3harris Technologies, Inc Div Space & Airborne Systems
5930-01-072-5318 INTERCHANGEABLE
Switch,flow
2590-01-587-43747817 INTERCHANGEABLE
Bracket,vehicular Components
Truck-Lite Co., Llc
Cross-Reference Index
Part NumberManufacturer
S1278 Superior Electric Holding Group Llc Div Specialty Product Technologies (USA)
7703589P2 General Electric Company (USA)
7817 PRIMARY Staco Energy Products Co Dba Staco Energy Products Co (USA)
0559-2 Staco Energy Products Co Dba Staco Energy Products Co (USA)
Related Parts
4510-00-142-2599INTERCHANGEABLE
TAILPIECE,WASTE DRAIN
2540-00-188-9633INTERCHANGEABLE
CUSHION,SEAT,VEHICULAR
S1278
5950-00-224-4484INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
05592
5315-00-445-3267INTERCHANGEABLE
PIN,QUICK RELEASE
4730-00-488-8324INTERCHANGEABLE
REDUCER,BOSS
FC-5735-D
5962-01-057-7056INTERCHANGEABLE
MICROCIRCUIT,MEMORY
G390460-1
5930-01-072-5318INTERCHANGEABLE
SWITCH,FLOW
2590-01-587-4374INTERCHANGEABLE
BRACKET,VEHICULAR COMPONENTS
7817

Frequently Asked Questions

What is NSN 5950-00-702-1977?

NSN 5950-00-702-1977 is a Transformer,power, manufactured by Staco Energy Products Co Dba Staco Energy Products Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-702-1977?

NSN 5950-00-702-1977 has 4 cross-referenced part numbers: S1278 (Superior Electric Holding Group Llc Div Specialty Product Technologies), 7703589P2 (General Electric Company), 7817 (Staco Energy Products Co Dba Staco Energy Products Co), 0559-2 (Staco Energy Products Co Dba Staco Energy Products Co).

What NSN replaces 5950-00-702-1977?

There are 8 known substitutes for 5950-00-702-1977: 4510-00-142-2599, 2540-00-188-9633, 5950-00-224-4484 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7817?

Key specifications for 7817: Mounting Hole Diameter: 0.391 INCHES NOMINAL SINGLE GROUP IN; Inclosure Type: FULLY INCLOSED; Body Length: 13.688 INCHES NOMINAL IN; Mounting Bolt Circle Diameter: 6.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 11 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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