PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C311-520Reactor

Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp · NSN 5950-00-702-5469 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-702-5469 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-702-5469. Primary manufacturer part number: C311-520.
Features
  • Reactor — FSC 5950
  • DC Resistance Rating in Ohms: 350.000 SINGLE COMPONENT SINGLE WINDING
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
  • Reliability Indicator: NOT ESTABLISHED
  • Inductance Rating: 12.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-702-5469, 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 Corp Dba Northrop Grumman Systems Corp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-702-5469
Primary Part NumberC311-520
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
StatusACTIVE
DC Resistance Rating in Ohms350.000 SINGLE COMPONENT SINGLE WINDING
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Inductance Rating12.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Height2.812 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width1.750 INCHES NOMINAL IN
Winding Quantity1 SINGLE COMPONENT
Terminal Type and Quantity2 TAB, SOLDER LUG
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Body Length2.750 INCHES NOMINAL IN
Inductance TypeFIXED
Winding Operating Current70.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Thread Quantity Per Inch32 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-016-033243135 INTERCHANGEABLE
Spring
Sypris Electronics, Llc
4730-00-364-5690 INTERCHANGEABLE
Strainer Element,sediment
3020-01-197-897043135 INTERCHANGEABLE
Roller Assembly
Insinger Machine Co
2040-01-590-029743135 INTERCHANGEABLE
Plate,deck,access
Tempress Marine Group
Cross-Reference Index
Part NumberManufacturer
C311-520 PRIMARY Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
43135 Freed Transformer Co (USA)
C311-520 L3 Technologies, Inc. Dba Electron Devices (USA)
Related Parts
5360-00-016-0332INTERCHANGEABLE
SPRING
43135
4730-00-364-5690INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
3020-01-197-8970INTERCHANGEABLE
ROLLER ASSEMBLY
43135
2040-01-590-0297INTERCHANGEABLE
PLATE,DECK,ACCESS
43135

Frequently Asked Questions

What is NSN 5950-00-702-5469?

NSN 5950-00-702-5469 is a Reactor, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-702-5469?

NSN 5950-00-702-5469 has 3 cross-referenced part numbers: C311-520 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 43135 (Freed Transformer Co), C311-520 (L3 Technologies, Inc. Dba Electron Devices).

What NSN replaces 5950-00-702-5469?

There are 4 known substitutes for 5950-00-702-5469: 5360-00-016-0332, 4730-00-364-5690, 3020-01-197-8970 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C311-520?

Key specifications for C311-520: DC Resistance Rating in Ohms: 350.000 SINGLE COMPONENT SINGLE WINDING; Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING; Reliability Indicator: NOT ESTABLISHED; Inductance Rating: 12.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING. 19 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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