PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

281-049Capacitor,variable,ceramic Diele

Tektronix, Inc. · NSN 5910-00-556-9440 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-00-556-9440 — this item is cataloged by the U.S. Government under National Stock Number 5910-00-556-9440. Primary manufacturer part number: 281-049.
Features
  • Capacitor,variable,ceramic Diele — FSC 5910
  • Dissipation Factor at 25 Deg Celsius in Percent: 0.2
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 0.438 INCHES NOMINAL IN
  • Nonderated Voltage Rating and Type: 500.0 DC CONTINUOUS SINGLE SECTION
  • Capacitance Change in Percent at Operating Temp From 25 Deg Celsius: -4.50 TO 2.00 MINIMUM AND -2.50 TO 2.00 MAXIMUM SINGLE SECTION
  • Capacitance Drift in Picofarads: 0.50 SINGLE SECTION
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG
  • Capacitance Range in Picofarads: +1.5 TO 7.0 SINGLE SECTION
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,variable,ceramic Diele, cataloged under National Stock Number 5910-00-556-9440, 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 Tektronix, Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 23 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5910-00-556-9440
Primary Part Number281-049
Item NameCapacitor,variable,ceramic Diele
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerTektronix, Inc.
StatusCANCELLED
Dissipation Factor at 25 Deg Celsius in Percent0.2
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.438 INCHES NOMINAL IN
Nonderated Voltage Rating and Type500.0 DC CONTINUOUS SINGLE SECTION
Capacitance Change in Percent at Operating Temp From 25 Deg Celsius-4.50 TO 2.00 MINIMUM AND -2.50 TO 2.00 MAXIMUM SINGLE SECTION
Capacitance Drift in Picofarads0.50 SINGLE SECTION
Terminal Type and Quantity2 TAB, SOLDER LUG
Capacitance Range in Picofarads+1.5 TO 7.0 SINGLE SECTION
Body Length0.840 INCHES NOMINAL IN
Test Data Document81349-MIL-C-81 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Adjustment Device Drive Type and Quantity1 SLOTTED SCREW
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
Inclosure TypeENCAPSULATED
Body StyleROTARY
Body Width0.640 INCHES NOMINAL IN
Body Height0.406 INCHES MAXIMUM IN
Adjustment Device Torque4.000 INCH-OUNCES MINIMUM AND 24.000 INCH-OUNCES MAXIMUM IN
Unthreaded Mounting Hole Diameter0.120 INCHES NOMINAL IN
Insulation DC Resistance at 25 Deg Celsius10.0 GIGOHMS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-113-3605050-002139 INTERCHANGEABLE
Transformer,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5910-00-126-1613 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
5910-00-126-1619 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
5920-00-149-0013281006 INTERCHANGEABLE
Fuseholder,extractor Post
Littelfuse, Inc.
5910-00-160-1207 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
4920-00-406-555502821 INTERCHANGEABLE
Buffer and Amplifie
L3harris Mas Inc Div L3harris Mas Inc.
4320-00-407-664555702 INTERCHANGEABLE
Lever,pump
Templeton Kenly and Co Inc
6740-00-443-7164 INTERCHANGEABLE
Roller,idler,large
5935-00-496-1246 INTERCHANGEABLE
Socket,plug-in Electronic Compon
5910-00-519-8290TS2ANP03-12UUF INTERCHANGEABLE
Capacitor,variable,ceramic Diele
Erie Specialty Products Inc
Cross-Reference Index
Part NumberManufacturer
281-049 Tektronix, Inc. (USA)
281-0006-00 Tektronix, Inc. (USA)
3206-001C0P0-10R Tusonix, Llc (USA)
503-01NP01-5-7 Erie Specialty Products Inc (USA)
K277-2 Viking Technologies, Ltd. (USA)
ES625475 American Telephone and Telegraph Co (USA)
920R101 Motorola Inc. Dba Integrated Information Systems Group (USA)
K277-2 Dar Electronics Inc Commercial Products Div Dba National Radio Co (USA)
0282-1 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
503-000C0P010R Erie Specialty Products Inc (USA)
0130-0003 Erie Specialty Products Inc (USA)
E0682071-1 American Telephone and Telegraph Co (USA)
3206-001A1-5-7 Erie Specialty Products Inc (USA)
281-006 Tektronix, Inc. (USA)
44J11A070 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
55719NP0157 Erie Specialty Products Inc (USA)
5910005569440 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
7646029 Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
CM15C820JN3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CV11A070 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5950-00-113-3605INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
050-002139
5910-00-126-1613INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5910-00-126-1619INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5920-00-149-0013INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
281006
5910-00-160-1207INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
4920-00-406-5555INTERCHANGEABLE
BUFFER AND AMPLIFIE
02821
4320-00-407-6645INTERCHANGEABLE
LEVER,PUMP
55702
6740-00-443-7164INTERCHANGEABLE
ROLLER,IDLER,LARGE
5935-00-496-1246INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
5910-00-519-8290INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
TS2ANP03-12UUF
5910-00-543-0833INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5910-00-578-1623INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE

Frequently Asked Questions

What is NSN 5910-00-556-9440?

NSN 5910-00-556-9440 is a Capacitor,variable,ceramic Diele, manufactured by Tektronix, Inc., classified under FSC 5910 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5910-00-556-9440?

NSN 5910-00-556-9440 has 50 cross-referenced part numbers: 281-049 (Tektronix, Inc.), 281-0006-00 (Tektronix, Inc.), 3206-001C0P0-10R (Tusonix, Llc), 503-01NP01-5-7 (Erie Specialty Products Inc), K277-2 (Viking Technologies, Ltd.) and 45 more.

What NSN replaces 5910-00-556-9440?

There are 12 known substitutes for 5910-00-556-9440: 5950-00-113-3605, 5910-00-126-1613, 5910-00-126-1619 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 281-049?

Key specifications for 281-049: Dissipation Factor at 25 Deg Celsius in Percent: 0.2; Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 0.438 INCHES NOMINAL IN; Nonderated Voltage Rating and Type: 500.0 DC CONTINUOUS SINGLE SECTION; Capacitance Change in Percent at Operating Temp From 25 Deg Celsius: -4.50 TO 2.00 MINIMUM AND -2.50 TO 2.00 MAXIMUM SINGLE SECTION. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5910-00-556-9440 still in active supply?

NSN 5910-00-556-9440 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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