PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8091-DCapacitor,variable,air Dielectri

Knowles Cazenovia, Inc. Div Johanson Manufacturing · NSN 5910-01-033-8489 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-01-033-8489 — this item is cataloged by the U.S. Government under National Stock Number 5910-01-033-8489. Primary manufacturer part number: 8091-D.
Features
  • Capacitor,variable,air Dielectri — FSC 5910
  • Inclosure Type: ENCAPSULATED
  • Adjustment Device Torque: 1.000 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM IN
  • Temp Coefficient of Capacitance in Ppm Per Deg Celsius: 0.0 SINGLE SECTION
  • Quality Factor at 25 Deg Celsius: 2000.0
  • Tolerance of Temp Coefficient in Ppm Per Deg Celsius: -20.0 TO 20.0 SINGLE SECTION
  • Tuning Characteristic: STRAIGHT LINE CAPACITY SINGLE SECTION
  • Bushing Shape: ROUND
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-01-033-8489, 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 Knowles Cazenovia, Inc. Div Johanson Manufacturing. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5910-01-033-8489
Primary Part Number8091-D
Item NameCapacitor,variable,air Dielectri
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerKnowles Cazenovia, Inc. Div Johanson Manufacturing
StatusACTIVE
Inclosure TypeENCAPSULATED
Adjustment Device Torque1.000 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM IN
Temp Coefficient of Capacitance in Ppm Per Deg Celsius0.0 SINGLE SECTION
Quality Factor at 25 Deg Celsius2000.0
Tolerance of Temp Coefficient in Ppm Per Deg Celsius-20.0 TO 20.0 SINGLE SECTION
Tuning CharacteristicSTRAIGHT LINE CAPACITY SINGLE SECTION
Bushing ShapeROUND
Capacitance Range in Picofarads+1.5 TO 14.0 SINGLE SECTION
Insulation DC Resistance at 25 Deg Celsius1000.0 GIGOHMS
Mounting Facility Type and Quantity1 THREADED BUSHING
Nonderated Voltage Rating and Type250.0 DC CONTINUOUS SINGLE SECTION
Nonderated Operating Temp-65.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
Thread Quantity Per Inch64
Adjustment Device Drive Type and Quantity1 SLOTTED SCREW
Nominal Thread Size0.234 INCHES IN
Bushing Length0.172 INCHES NOMINAL IN
Overall Diameter0.281 INCHES NOMINAL IN
Body StylePISTON
Body Length0.297 INCHES NOMINAL IN
Terminal Type and Quantity1 PRINTED CIRCUIT
Bushing Diameter0.234 INCHES NOMINAL IN
Thread Class2A A
Mounting Facility Screw Thread Series DesignatorUNS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3120-00-071-9503BRA121 INTERCHANGEABLE
Bearing Assembly
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
5950-00-436-07828091 INTERCHANGEABLE
Transformer,generator
Electro Scientific Industries Inc
5910-00-545-789153-523-6 INTERCHANGEABLE
Capacitor,fi,ed
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5950-00-754-6946SM-B-344512REVD INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-762-66268091 INTERCHANGEABLE
Noise Standard
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5330-00-798-52307985230 INTERCHANGEABLE
Packing with Retainer
U S Army Tank Automotive Command Amsta-Im-Mm
1730-00-911-37208091 INTERCHANGEABLE
Jack,aircraft Landing Gear
Columbus Jack Corporation Div Columbus Jack
5306-01-125-1948 INTERCHANGEABLE
Rod,threaded End
4820-01-270-0893153F-1-5.00IN INTERCHANGEABLE
Valve,angle
William E Williams Valve Corp
5905-01-380-62748091 INTERCHANGEABLE
Resistor Assembly
Quarterwave Corp.
Cross-Reference Index
Part NumberManufacturer
8091-D Knowles Cazenovia, Inc. Div Johanson Manufacturing (USA)
8091 Knowles Cazenovia, Inc. Div Johanson Manufacturing (USA)
Related Parts
3120-00-071-9503INTERCHANGEABLE
BEARING ASSEMBLY
BRA121
5950-00-436-0782INTERCHANGEABLE
TRANSFORMER,GENERATOR
8091
5910-00-545-7891INTERCHANGEABLE
CAPACITOR,FI,ED
53-523-6
5950-00-754-6946INTERCHANGEABLE
COIL,RADIO FREQUENCY
SM-B-344512REVD
6625-00-762-6626INTERCHANGEABLE
NOISE STANDARD
8091
5330-00-798-5230INTERCHANGEABLE
PACKING WITH RETAINER
7985230
1730-00-911-3720INTERCHANGEABLE
JACK,AIRCRAFT LANDING GEAR
8091
5306-01-125-1948INTERCHANGEABLE
ROD,THREADED END
4820-01-270-0893INTERCHANGEABLE
VALVE,ANGLE
153F-1-5.00IN
5905-01-380-6274INTERCHANGEABLE
RESISTOR ASSEMBLY
8091
5340-01-616-1069INTERCHANGEABLE
CLAMP,LOOP
8091

Frequently Asked Questions

What is NSN 5910-01-033-8489?

NSN 5910-01-033-8489 is a Capacitor,variable,air Dielectri, manufactured by Knowles Cazenovia, Inc. Div Johanson Manufacturing, classified under FSC 5910 (No Item Name Available). Status: active.

What are the part numbers for NSN 5910-01-033-8489?

NSN 5910-01-033-8489 has 2 cross-referenced part numbers: 8091-D (Knowles Cazenovia, Inc. Div Johanson Manufacturing), 8091 (Knowles Cazenovia, Inc. Div Johanson Manufacturing).

What NSN replaces 5910-01-033-8489?

There are 11 known substitutes for 5910-01-033-8489: 3120-00-071-9503, 5950-00-436-0782, 5910-00-545-7891 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8091-D?

Key specifications for 8091-D: Inclosure Type: ENCAPSULATED; Adjustment Device Torque: 1.000 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM IN; Temp Coefficient of Capacitance in Ppm Per Deg Celsius: 0.0 SINGLE SECTION; Quality Factor at 25 Deg Celsius: 2000.0. 24 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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