PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

581R987H03Capacitor,variable,air Dielectri

Northrop Grumman Support Services Corp · NSN 5910-01-097-6692 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-01-097-6692 — this item is cataloged by the U.S. Government under National Stock Number 5910-01-097-6692. Primary manufacturer part number: 581R987H03.
Features
  • Capacitor,variable,air Dielectri — FSC 5910
  • Thread Quantity Per Inch: 6464
  • Insulation DC Resistance at 25 Deg Celsius: 1000.0 GIGOHMS1000.0 GIGOHMS
  • Nonderated Operating Temp: -65.0 CELSIUS MINIMUM AND -65.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM125.0 CELSIUS MAXIMUM DEGC
  • Mounting Facility Type and Quantity: 1 THREADED BUSHING1 THREADED BUSHING
  • Mounting Facility Screw Thread Series Designator: UNSUNS
  • Temp Coefficient of Capacitance in Ppm Per Deg Celsius: 0.0 SINGLE SECTION0.0 SINGLE SECTION
  • Bushing Shape: ROUNDROUND
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-01-097-6692, 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 Northrop Grumman Support Services Corp. Government technical data includes 23 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5910-01-097-6692
Primary Part Number581R987H03
Item NameCapacitor,variable,air Dielectri
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Support Services Corp
StatusACTIVE
Thread Quantity Per Inch6464
Insulation DC Resistance at 25 Deg Celsius1000.0 GIGOHMS1000.0 GIGOHMS
Nonderated Operating Temp-65.0 CELSIUS MINIMUM AND -65.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM125.0 CELSIUS MAXIMUM DEGC
Mounting Facility Type and Quantity1 THREADED BUSHING1 THREADED BUSHING
Mounting Facility Screw Thread Series DesignatorUNSUNS
Temp Coefficient of Capacitance in Ppm Per Deg Celsius0.0 SINGLE SECTION0.0 SINGLE SECTION
Bushing ShapeROUNDROUND
Nonderated Voltage Rating and Type250.0 DC CONTINUOUS SINGLE SECTION250.0 DC CONTINUOUS SINGLE SECTION
Adjustment Device Torque1.000 INCH-OUNCES MINIMUM AND 1.000 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM5.000 INCH-OUNCES MAXIMUM IN
Capacitance Range in Picofarads+1.5 TO 14.0 SINGLE SECTION+1.5 TO 14.0 SINGLE SECTION
Nominal Thread Size0.078 INCHES0.078 INCHES IN
Adjustment Device Drive Type and Quantity1 SLOTTED SCREW1 SLOTTED SCREW
Tolerance of Temp Coefficient in Ppm Per Deg Celsius-20.0 TO 20.0 SINGLE SECTION-20.0 TO 20.0 SINGLE SECTION
Thread Class2A2A
Body Length0.477 INCHES NOMINAL0.477 INCHES NOMINAL IN
Bushing Length0.160 INCHES NOMINAL0.160 INCHES NOMINAL IN
Inclosure TypeENCASEDENCASED
Tuning CharacteristicSTRAIGHT LINE CAPACITY SINGLE SECTIONSTRAIGHT LINE CAPACITY SINGLE SECTION
Quality Factor at 25 Deg Celsius2000.02000.0
Terminal Type and Quantity1 PIN1 PIN
Overall Diameter0.290 INCHES NOMINAL0.290 INCHES NOMINAL IN
Bushing Diameter0.234 INCHES NOMINAL0.234 INCHES NOMINAL IN
Body StylePISTONPISTON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-00-258-99118093 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Eby Group, Llc, the Dba Eby Company Div Eby Company
5935-00-949-5244SM-B-529168 INTERCHANGEABLE
Connector,plug,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5820-01-137-3720809-3 INTERCHANGEABLE
Module,power Supply
Zenith Electronics Corporation
3940-01-342-6421 INTERCHANGEABLE
Block,tackle
5340-01-616-10858093 INTERCHANGEABLE
Clamp,loop
Keystone Electronics Corp
Cross-Reference Index
Part NumberManufacturer
581R987H03 Northrop Grumman Support Services Corp (USA)
8093 Knowles Cazenovia, Inc. Div Johanson Manufacturing (USA)
581R987H03 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5935-00-258-9911INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
8093
5935-00-949-5244INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
SM-B-529168
5820-01-137-3720INTERCHANGEABLE
MODULE,POWER SUPPLY
809-3
3940-01-342-6421INTERCHANGEABLE
BLOCK,TACKLE
5340-01-616-1085INTERCHANGEABLE
CLAMP,LOOP
8093

Frequently Asked Questions

What is NSN 5910-01-097-6692?

NSN 5910-01-097-6692 is a Capacitor,variable,air Dielectri, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5910 (No Item Name Available). Status: active.

What are the part numbers for NSN 5910-01-097-6692?

NSN 5910-01-097-6692 has 3 cross-referenced part numbers: 581R987H03 (Northrop Grumman Support Services Corp), 8093 (Knowles Cazenovia, Inc. Div Johanson Manufacturing), 581R987H03 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5910-01-097-6692?

There are 5 known substitutes for 5910-01-097-6692: 5935-00-258-9911, 5935-00-949-5244, 5820-01-137-3720 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 581R987H03?

Key specifications for 581R987H03: Thread Quantity Per Inch: 6464; Insulation DC Resistance at 25 Deg Celsius: 1000.0 GIGOHMS1000.0 GIGOHMS; Overall Length: 0.570 INCHES NOMINAL0.570 INCHES NOMINAL IN; Nonderated Operating Temp: -65.0 CELSIUS MINIMUM AND -65.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM125.0 CELSIUS MAXIMUM DEGC. 26 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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