PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12621Capacitor,variable,air Dielectri

Drs Signal Solutions, Inc. · NSN 5910-00-840-7129 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-00-840-7129 — this item is cataloged by the U.S. Government under National Stock Number 5910-00-840-7129. Primary manufacturer part number: 12621.
Features
  • Capacitor,variable,air Dielectri — FSC 5910
  • Body Style: PLATE-MESHING
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Split-Stator Rotary Plate Type: BUTTERFLY
  • Shaft Diameter: 0.248 INCHES NOMINAL SINGLE SHAFT IN
  • Shaft Type: ROUND SINGLE SHAFT
  • Nominal Thread Size: 0.164 INCHES IN
  • Tolerance of Temp Coefficient in Ppm Per Deg Celsius: -40.0 TO 40.0 SINGLE SECTION
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-00-840-7129, 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 Drs Signal Solutions, Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5910-00-840-7129
Primary Part Number12621
Item NameCapacitor,variable,air Dielectri
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerDrs Signal Solutions, Inc.
StatusACTIVE
Body StylePLATE-MESHING
Terminal Type and Quantity3 TAB, SOLDER LUG
Split-Stator Rotary Plate TypeBUTTERFLY
Shaft Diameter0.248 INCHES NOMINAL SINGLE SHAFT IN
Shaft TypeROUND SINGLE SHAFT
Nominal Thread Size0.164 INCHES IN
Tolerance of Temp Coefficient in Ppm Per Deg Celsius-40.0 TO 40.0 SINGLE SECTION
Capacitance Range in Picofarads+6.5 TO 62.4 SINGLE SECTION
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Inclosure TypeUNINCLOSED
Tuning CharacteristicSTRAIGHT LINE FREQUENCY SINGLE SECTION
Shaft Length0.500 INCHES NOMINAL SINGLE SHAFT IN
Adjustment Device Rotation360.0 DEGREES NOMINAL CLOCKWISE
Mounting Facility Type and Quantity4 THREADED HOLE(S)
Nonderated Voltage Rating and Type500.0 DC CONTINUOUS SINGLE SECTION
Adjustment Device Drive Type and Quantity1 SHAFT
Thread Class2B
Adjustment Device Torque6.000 INCH-OUNCES MAXIMUM IN
Temp Coefficient of Capacitance in Ppm Per Deg Celsius60.0 SINGLE SECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
7520-00-318-25120012621 INTERCHANGEABLE
Pen,recording
Schneider Electric Systems Usa Inc Dba Invensys Systems Inc
5945-00-503-993110-30626-1 INTERCHANGEABLE
Relay,solid State
The Boeing Company Div Legacy Wichita
5340-01-016-84731262-1 INTERCHANGEABLE
Snap Hook
Bourdon Forge Co Inc
5330-01-052-224912621 INTERCHANGEABLE
Seal
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5930-01-175-989712621 INTERCHANGEABLE
Switch,pressure
Hydra-Electric Company Dba Hydra-Electric Co
3110-01-297-1047 INTERCHANGEABLE
Bearing,roller,needle
5340-01-498-6352 INTERCHANGEABLE
Door,access,utility
5935-01-583-71721207-076-A00E-1 INTERCHANGEABLE
Connector,plug,electrical
Delta Electronics Manufacturing Corp Div Delta Electronics Mfg. Corp.
5330-01-627-862412621 INTERCHANGEABLE
Gasket
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Cross-Reference Index
Part NumberManufacturer
12621 PRIMARY Drs Signal Solutions, Inc. (USA)
Related Parts
7520-00-318-2512INTERCHANGEABLE
PEN,RECORDING
0012621
5945-00-503-9931INTERCHANGEABLE
RELAY,SOLID STATE
10-30626-1
5340-01-016-8473INTERCHANGEABLE
SNAP HOOK
1262-1
5330-01-052-2249INTERCHANGEABLE
SEAL
12621
5930-01-175-9897INTERCHANGEABLE
SWITCH,PRESSURE
12621
3110-01-297-1047INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
5340-01-498-6352INTERCHANGEABLE
DOOR,ACCESS,UTILITY
5935-01-583-7172INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1207-076-A00E-1
5330-01-627-8624INTERCHANGEABLE
GASKET
12621

Frequently Asked Questions

What is NSN 5910-00-840-7129?

NSN 5910-00-840-7129 is a Capacitor,variable,air Dielectri, manufactured by Drs Signal Solutions, Inc., classified under FSC 5910 (No Item Name Available). Status: active.

What are the part numbers for NSN 5910-00-840-7129?

NSN 5910-00-840-7129 has 1 cross-referenced part number: 12621 (Drs Signal Solutions, Inc.).

What NSN replaces 5910-00-840-7129?

There are 9 known substitutes for 5910-00-840-7129: 7520-00-318-2512, 5945-00-503-9931, 5340-01-016-8473 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12621?

Key specifications for 12621: Body Style: PLATE-MESHING; Overall Width: 1.532 INCHES NOMINAL IN; Overall Height: 1.260 INCHES NOMINAL IN; Terminal Type and Quantity: 3 TAB, SOLDER LUG. 21 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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