PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4990-000Capacitor,variable,air Dielectri

Stromberg-Carlson Corp a Plessey Telecommunications Co · NSN 5910-00-669-4441 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-00-669-4441 — this item is cataloged by the U.S. Government under National Stock Number 5910-00-669-4441. Primary manufacturer part number: 4990-000.
Features
  • Capacitor,variable,air Dielectri — FSC 5910
  • Capacitance Range in Picofarads: +22.4 TO 167.8 SINGLE SECTION
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 1.562 INCHES NOMINAL IN
  • Mounting Facility Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: CERAMIC INSULATION SUPPORTING
  • Shaft Type: ROUND, SLOTTED SINGLE SHAFT
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG
  • Body Length: 2.406 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Ceramic Insulation Supporting construction
General Description

The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-00-669-4441, is classified within Federal Supply Class 5910 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Stromberg-Carlson Corp a Plessey Telecommunications Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5910-00-669-4441
Primary Part Number4990-000
Item NameCapacitor,variable,air Dielectri
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerStromberg-Carlson Corp a Plessey Telecommunications Co
StatusCANCELLED
Capacitance Range in Picofarads+22.4 TO 167.8 SINGLE SECTION
Distance Between Centerlines of Mounting Facilities Parallel to Body Width1.562 INCHES NOMINAL IN
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialCERAMIC INSULATION SUPPORTING
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Terminal Type and Quantity2 TAB, SOLDER LUG
Body Length2.406 INCHES NOMINAL IN
Inclosure TypeUNINCLOSED
Tuning CharacteristicSTRAIGHT LINE CAPACITY SINGLE SECTION
Adjustment Device Rotation360.0 DEGREES NOMINAL CLOCKWISE
Mounting Facility Type and Quantity2 THREADED STUD(S)
Adjustment Device Drive Type and Quantity1 SHAFT
MaterialCOPPER ALLOY CAPACITIVE ELECTRODE
Plate Quantity23
Nominal Thread Size0.112 INCHES IN
Shaft Length0.250 INCHES NOMINAL SINGLE SHAFT IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5950-00-189-3631X3250-17 INTERCHANGEABLE
Coil,radio Frequency
Hickok Waekon Llc
5945-00-193-355426437 INTERCHANGEABLE
Solenoid,electrical
Hydro-Aire Aerospace Corp
5330-00-218-2698 INTERCHANGEABLE
Retainer,packing
5330-00-246-40604990 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
2825-00-389-85674990 INTERCHANGEABLE
Shaft Assembly
Northrop Grumman Systems Corporation Div Marine Systems
5120-01-095-8091 INTERCHANGEABLE
Inserter,integrated Circuit
7050-01-550-171749900-00 INTERCHANGEABLE
Computer Subassembly
Haemonetics Corporation
Cross-Reference Index
Part NumberManufacturer
4990 At and T Corp (USA)
4990 Lucent Technologies Inc Dba Federal Marketing Group (USA)
4990-000 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
4990 Lucent Technologies Inc Corporate Headquarters (USA)
4990 American Telephone and Telegraph Co (USA)
4990-000 PRIMARY Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
Related Parts
5950-00-189-3631INTERCHANGEABLE
COIL,RADIO FREQUENCY
X3250-17
5945-00-193-3554INTERCHANGEABLE
SOLENOID,ELECTRICAL
26437
5330-00-218-2698INTERCHANGEABLE
RETAINER,PACKING
5330-00-246-4060INTERCHANGEABLE
SEAL,PLAIN ENCASED
4990
2825-00-389-8567INTERCHANGEABLE
SHAFT ASSEMBLY
4990
5120-01-095-8091INTERCHANGEABLE
INSERTER,INTEGRATED CIRCUIT
7050-01-550-1717INTERCHANGEABLE
COMPUTER SUBASSEMBLY
49900-00

Frequently Asked Questions

What is NSN 5910-00-669-4441?

NSN 5910-00-669-4441 is a Capacitor,variable,air Dielectri, manufactured by Stromberg-Carlson Corp a Plessey Telecommunications Co, classified under FSC 5910 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5910-00-669-4441?

NSN 5910-00-669-4441 has 6 cross-referenced part numbers: 4990 (At and T Corp), 4990 (Lucent Technologies Inc Dba Federal Marketing Group), 4990-000 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 4990 (Lucent Technologies Inc Corporate Headquarters), 4990 (American Telephone and Telegraph Co) and 1 more.

What NSN replaces 5910-00-669-4441?

There are 7 known substitutes for 5910-00-669-4441: 5950-00-189-3631, 5945-00-193-3554, 5330-00-218-2698 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4990-000?

Key specifications for 4990-000: Capacitance Range in Picofarads: +22.4 TO 167.8 SINGLE SECTION; Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 1.562 INCHES NOMINAL IN; Overall Height: 2.938 INCHES NOMINAL IN; Overall Width: 2.188 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5910-00-669-4441 still in active supply?

NSN 5910-00-669-4441 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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