PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

394BCapacitor,variable,air Dielectri

American Telephone and Telegraph Co · NSN 5910-00-228-6091 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-00-228-6091 — this item is cataloged by the U.S. Government under National Stock Number 5910-00-228-6091. Primary manufacturer part number: 394B.
Features
  • Capacitor,variable,air Dielectri — FSC 5910
  • Shaft Type: ROUND, SLOTTED SINGLE SHAFT
  • Mounting Facility Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Inclosure Type: UNINCLOSED
  • Adjustment Device Drive Type and Quantity: 1 SHAFT
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S)
  • Shaft Length: 0.562 INCHES NOMINAL SINGLE SHAFT IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-00-228-6091, 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 American Telephone and Telegraph Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5910-00-228-6091
Primary Part Number394B
Item NameCapacitor,variable,air Dielectri
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerAmerican Telephone and Telegraph Co
StatusACTIVE
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Inclosure TypeUNINCLOSED
Adjustment Device Drive Type and Quantity1 SHAFT
Terminal Type and Quantity3 TAB, SOLDER LUG
Mounting Facility Type and Quantity2 THREADED HOLE(S)
Shaft Length0.562 INCHES NOMINAL SINGLE SHAFT IN
Shaft Diameter0.250 INCHES NOMINAL SINGLE SHAFT IN
Capacitance Range in Picofarads+6.0 TO 75.0 SINGLE SECTION
Nominal Thread Size0.112 INCHES IN
Adjustment Device Rotation180.0 DEGREES NOMINAL CLOCKWISE AND 180.0 DEGREES NOMINAL COUNTERCLOCKWISE
Split-Stator Rotary Plate TypeDIFFERENTIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-144-8499177002-32 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-00-289-52803-9-4B INTERCHANGEABLE
Strainer,sediment
Gas Equipment Engineering Corporation, the Dba Geeco
5330-01-512-5182394-B INTERCHANGEABLE
Gasket
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Cross-Reference Index
Part NumberManufacturer
394B American Telephone and Telegraph Co (USA)
394BCAPACIT0R American Telephone and Telegraph Co (USA)
394B Lucent Technologies Inc Corporate Headquarters (USA)
Related Parts
3110-00-144-8499INTERCHANGEABLE
BEARING,BALL,ANNULAR
177002-32
4730-00-289-5280INTERCHANGEABLE
STRAINER,SEDIMENT
3-9-4B
5330-01-512-5182INTERCHANGEABLE
GASKET
394-B

Frequently Asked Questions

What is NSN 5910-00-228-6091?

NSN 5910-00-228-6091 is a Capacitor,variable,air Dielectri, manufactured by American Telephone and Telegraph Co, classified under FSC 5910 (No Item Name Available). Status: active.

What are the part numbers for NSN 5910-00-228-6091?

NSN 5910-00-228-6091 has 3 cross-referenced part numbers: 394B (American Telephone and Telegraph Co), 394BCAPACIT0R (American Telephone and Telegraph Co), 394B (Lucent Technologies Inc Corporate Headquarters).

What NSN replaces 5910-00-228-6091?

There are 3 known substitutes for 5910-00-228-6091: 3110-00-144-8499, 4730-00-289-5280, 5330-01-512-5182. Verify interchangeability with system specifications before substitution.

What are the specifications of 394B?

Key specifications for 394B: Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Mounting Facility Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Inclosure Type: UNINCLOSED; Adjustment Device Drive Type and Quantity: 1 SHAFT. 13 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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