PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2564-4Coil,radio Frequency

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 5950-00-645-4408 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-4408 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-4408. Primary manufacturer part number: 2564-4.
Features
  • Coil,radio Frequency — FSC 5950
  • Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE WINDING
  • Coil Form Type: SOLID SINGLE COMPONENT
  • Body Outside Diameter: 0.300 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Mounting Method: CORE AND THREADED HOLE(S) SINGLE GROUP
  • Mounting Facility Quantity: 1 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coil,radio Frequency, cataloged under National Stock Number 5950-00-645-4408, 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 Div Multiple. Government technical data includes 15 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-4408
Primary Part Number2564-4
Item NameCoil,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
Coil Form TypeSOLID SINGLE COMPONENT
Body Outside Diameter0.300 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch32 SINGLE GROUP
Mounting MethodCORE AND THREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity1 SINGLE GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Terminal Type and Quantity1 WIRE LEAD AND 1 WIRE LOOP
Inclosure TypeOPEN
Body Length1.500 INCHES NOMINAL IN
Winding Conductor Size0.02535 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
Inductance Rating0.56 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Turn Quantity14-1/2 SINGLE COMPONENT SINGLE WINDING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5133-00-266-9476 INTERCHANGEABLE
Drill,twist
5935-00-624-730625644 INTERCHANGEABLE
Connector,plug,electrical
Williams International Co., L.l.c.
5360-01-268-004425644 INTERCHANGEABLE
Spring,helical,compression
Paccar Winch Inc Dba Paccar Winch Division
Cross-Reference Index
Part NumberManufacturer
2564-4 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
FTC141-5011 PRIMARY Viking Technologies, Ltd. (USA)
2564-4 Scomill Inc (USA)
2564-4 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
62A40004 Marine View Electronics Inc (USA)
Related Parts
5133-00-266-9476INTERCHANGEABLE
DRILL,TWIST
5935-00-624-7306INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
25644
5360-01-268-0044INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
25644

Frequently Asked Questions

What is NSN 5950-00-645-4408?

NSN 5950-00-645-4408 is a Coil,radio Frequency, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-4408?

NSN 5950-00-645-4408 has 5 cross-referenced part numbers: 2564-4 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), FTC141-5011 (Viking Technologies, Ltd.), 2564-4 (Scomill Inc), 2564-4 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 62A40004 (Marine View Electronics Inc).

What NSN replaces 5950-00-645-4408?

There are 3 known substitutes for 5950-00-645-4408: 5133-00-266-9476, 5935-00-624-7306, 5360-01-268-0044. Verify interchangeability with system specifications before substitution.

What are the specifications of 2564-4?

Key specifications for 2564-4: Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE WINDING; Coil Form Type: SOLID SINGLE COMPONENT; Body Outside Diameter: 0.300 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED. 15 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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