PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMD447138Capacitor,variable,air Dielectri

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5910-00-973-2821 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-00-973-2821 — this item is cataloged by the U.S. Government under National Stock Number 5910-00-973-2821. Primary manufacturer part number: SMD447138.
Features
  • Capacitor,variable,air Dielectri — FSC 5910
  • Inclosure Type: ENCASED
  • Terminal Location: ONE SIDE PERPENDICULAR
  • Capacitance Range in Picofarads: +0.0 TO 29.8 SECOND SECTION
  • Adjustment Device Torque: 4.000 INCH-OUNCES NOMINAL IN
  • Capacitance Range in Picofarads: +0.0 TO 57.5 FIFTH SECTION
  • Mounting Facility Type and Quantity: 3 TAB
  • Nonderated Voltage Rating and Type: 10.0 DC RMS ALL SECTIONS
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-00-973-2821, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, 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
NSN5910-00-973-2821
Primary Part NumberSMD447138
Item NameCapacitor,variable,air Dielectri
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Inclosure TypeENCASED
Terminal LocationONE SIDE PERPENDICULAR
Capacitance Range in Picofarads+0.0 TO 29.8 SECOND SECTION
Adjustment Device Torque4.000 INCH-OUNCES NOMINAL IN
Capacitance Range in Picofarads+0.0 TO 57.5 FIFTH SECTION
Mounting Facility Type and Quantity3 TAB
Nonderated Voltage Rating and Type10.0 DC RMS ALL SECTIONS
Terminal Type and Quantity8 PIN
Shaft Length0.375 INCHES NOMINAL SINGLE SHAFT IN
Individual Section Quantity5
Adjustment Device Drive Type and Quantity1 SHAFT
Body Length3.844 INCHES NOMINAL IN
Capacitance Range in Picofarads+0.0 TO 57.5 FOURTH SECTION
Precious Material and LocationTERMINAL SURFACES GOLD AND PLATE SURFACES SILVER
Tolerance of Temp Coefficient in Ppm Per Deg Celsius-50.0 TO 50.0 ALL SECTIONS
Terminal Diameter0.040 INCHES NOMINAL IN
Capacitance Range in Picofarads+0.0 TO 57.5 THIRD SECTION
Shaft TypeROUND SINGLE SHAFT
Tuning CharacteristicTABLE ALL SECTIONS
Capacitance Range in Picofarads+0.0 TO 18.1 FIRST SECTION
Nonderated Operating Temp-40.0 CELSIUS MINIMUM AND 65.0 CELSIUS MAXIMUM DEGC
Precious MaterialGOLD AND SILVER
Body StylePLATE-MESHING
Temp Coefficient of Capacitance in Ppm Per Deg Celsius0.0 ALL SECTIONS
Shaft Diameter0.375 INCHES NOMINAL SINGLE SHAFT IN
Terminal Length0.368 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-100-3104 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5920-00-280-424155876-1 INTERCHANGEABLE
Fuseholder,block
General Dynamics Mission Systems, Inc.
5330-00-291-6370PH271 INTERCHANGEABLE
Seal,plain Encased
Wisconsin Motors, Llc
6620-00-492-4936378-2 INTERCHANGEABLE
Gage,fuel Engine
Herley Chicago Dba Stewart Warner Electronics
5930-00-539-7013 INTERCHANGEABLE
Boot,dust and Moisture Seal
3120-00-801-66923782 INTERCHANGEABLE
Bearing,plain,self-Aligning
O & S Acquisition Llc Dba O & S America Llc
3040-00-859-6571 INTERCHANGEABLE
Pawl,check
4510-01-193-78983-782 INTERCHANGEABLE
Water Closet
Cr/pl Llc
2090-01-500-7975Z-3400 INTERCHANGEABLE
Case,inflatable Landing Boat
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
6515-01-552-123810708501 INTERCHANGEABLE
Catheter,intravenous
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Cross-Reference Index
Part NumberManufacturer
378-2 General Instrument Corp Computer Products Div (USA)
SMD447138 Cardwell Condenser Corp Lapointe-Admiral Div (USA)
SMD447138 Pax Mfg Corp Hammarlund Mfg Co Div (USA)
SMD447138 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
SMD447138 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
SMD447138 Alest Inc. (USA)
SMD47138 E-Systems Inc Memcor Div Florida Opns (USA)
SMD447138 Viking Technologies, Ltd. (USA)
SMD447138 R F Products, Inc (USA)
Related Parts
3110-00-100-3104INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5920-00-280-4241INTERCHANGEABLE
FUSEHOLDER,BLOCK
55876-1
5330-00-291-6370INTERCHANGEABLE
SEAL,PLAIN ENCASED
PH271
6620-00-492-4936INTERCHANGEABLE
GAGE,FUEL ENGINE
378-2
5930-00-539-7013INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
3120-00-801-6692INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
3782
3040-00-859-6571INTERCHANGEABLE
PAWL,CHECK
4510-01-193-7898INTERCHANGEABLE
WATER CLOSET
3-782
2090-01-500-7975INTERCHANGEABLE
CASE,INFLATABLE LANDING BOAT
Z-3400
6515-01-552-1238INTERCHANGEABLE
CATHETER,INTRAVENOUS
10708501
5306-01-600-0267INTERCHANGEABLE
BOLT,MACHINE
3782

Frequently Asked Questions

What is NSN 5910-00-973-2821?

NSN 5910-00-973-2821 is a Capacitor,variable,air Dielectri, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5910 (No Item Name Available). Status: active.

What are the part numbers for NSN 5910-00-973-2821?

NSN 5910-00-973-2821 has 9 cross-referenced part numbers: 378-2 (General Instrument Corp Computer Products Div), SMD447138 (Cardwell Condenser Corp Lapointe-Admiral Div), SMD447138 (Pax Mfg Corp Hammarlund Mfg Co Div), SMD447138 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), SMD447138 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin) and 4 more.

What NSN replaces 5910-00-973-2821?

There are 11 known substitutes for 5910-00-973-2821: 3110-00-100-3104, 5920-00-280-4241, 5330-00-291-6370 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMD447138?

Key specifications for SMD447138: Inclosure Type: ENCASED; Terminal Location: ONE SIDE PERPENDICULAR; Capacitance Range in Picofarads: +0.0 TO 29.8 SECOND SECTION; Adjustment Device Torque: 4.000 INCH-OUNCES NOMINAL IN. 29 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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