PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

673274Transformer,power

Northrop Grumman Systems Corporation · NSN 5950-00-646-2570 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-646-2570 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-646-2570. Primary manufacturer part number: 673274.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Current: 80.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG AND 2 WIRE HOOK
  • Mounting Hole Diameter: 0.161 INCHES MINIMUM AND 0.171 INCHES MAXIMUM SINGLE GROUP IN
  • Maximum Operating Temp: 120.0 CELSIUS DEGC
  • Body Height: 1.281 INCHES MAXIMUM IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-646-2570, 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. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-646-2570
Primary Part Number673274
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Winding Operating Current80.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type and Quantity3 TAB, SOLDER LUG AND 2 WIRE HOOK
Mounting Hole Diameter0.161 INCHES MINIMUM AND 0.171 INCHES MAXIMUM SINGLE GROUP IN
Maximum Operating Temp120.0 CELSIUS DEGC
Body Height1.281 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length1.140 INCHES MAXIMUM IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage60.00 AC VOLTS MINIMUM AND 100.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width1.078 INCHES MAXIMUM IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length0.797 INCHES MINIMUM AND 0.817 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-034-774174710161 INTERCHANGEABLE
Clamp,loop
Kalmar AC Inc
6130-00-107-19502-713 INTERCHANGEABLE
Power Supply
Eldec Aerospace Corp
2530-00-112-00163912122 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
General Motors Llc Dba General Motors Llc
4310-00-430-47752713 INTERCHANGEABLE
Valve
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5935-00-431-01882713 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5365-00-441-493236239 INTERCHANGEABLE
Shim
Goodrich Corporation Dba Goodrich Corp
2930-00-456-7390911977 INTERCHANGEABLE
Impeller,fan,axial
Schwitzer Engine Components a Household Intl Co
5905-00-491-6577C2713-3 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Crown Audio, Inc. Dba Crown International
4730-00-497-7207 INTERCHANGEABLE
Tee-Y,drainage Pipe
5935-00-614-39099003968 INTERCHANGEABLE
Connector,plug,electrical
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
2713 Precision Electronics, Inc (USA)
673274 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
673274 PRIMARY Northrop Grumman Systems Corporation (USA)
36239 Freed Transformer Co (USA)
42993 Coast/advanced Chip Magnetics, Inc. (USA)
Related Parts
5340-00-034-7741INTERCHANGEABLE
CLAMP,LOOP
74710161
6130-00-107-1950INTERCHANGEABLE
POWER SUPPLY
2-713
2530-00-112-0016INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
3912122
4310-00-430-4775INTERCHANGEABLE
VALVE
2713
5935-00-431-0188INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2713
5365-00-441-4932INTERCHANGEABLE
SHIM
36239
2930-00-456-7390INTERCHANGEABLE
IMPELLER,FAN,AXIAL
911977
5905-00-491-6577INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
C2713-3
4730-00-497-7207INTERCHANGEABLE
TEE-Y,DRAINAGE PIPE
5935-00-614-3909INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
9003968
5910-00-630-6519INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
527059-097AGFL
5905-00-892-6799INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT

Frequently Asked Questions

What is NSN 5950-00-646-2570?

NSN 5950-00-646-2570 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-646-2570?

NSN 5950-00-646-2570 has 5 cross-referenced part numbers: 2713 (Precision Electronics, Inc), 673274 (Lockheed Martin Corporation Div Rms - Mitchel Field), 673274 (Northrop Grumman Systems Corporation), 36239 (Freed Transformer Co), 42993 (Coast/advanced Chip Magnetics, Inc.).

What NSN replaces 5950-00-646-2570?

There are 12 known substitutes for 5950-00-646-2570: 5340-00-034-7741, 6130-00-107-1950, 2530-00-112-0016 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 673274?

Key specifications for 673274: Winding Operating Current: 80.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY; Mounting Facility Quantity: 2 SINGLE GROUP; Terminal Type and Quantity: 3 TAB, SOLDER LUG AND 2 WIRE HOOK; Mounting Hole Diameter: 0.161 INCHES MINIMUM AND 0.171 INCHES MAXIMUM SINGLE GROUP IN. 17 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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