CB139-2 — CAPACITOR,VARIABLE,AIR DIELECTRI

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

CB139-2: CAPACITOR,VARIABLE,AIR DIELECTRI.

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include shaft_type: ROUND SINGLE SHAFT, shaft_length: 0.375 INCHES NOMINAL SINGLE SHAFT IN, inclosure_type: UNINCLOSED, overall_length: 2.344 INCHES NOMINAL IN, shaft_diameter: 0.250 INCHES NOMINAL SINGLE SHAFT IN, nominal_thread_size: 0.138 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-702-2994, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

MRO→ MRO_GENERAL→ CB139-2

NSN: 5910-00-702-2994
FSC: 5910 — Capacitors
CAGE: 82679 — THE TECHNICAL MATERIAL CORPORATION DBA T M C (USA)

SPECIFICATIONS

shaft_type	ROUND SINGLE SHAFT
shaft_length	0.375 INCHES NOMINAL SINGLE SHAFT IN
inclosure_type	UNINCLOSED
overall_length	2.344 INCHES NOMINAL IN
shaft_diameter	0.250 INCHES NOMINAL SINGLE SHAFT IN
nominal_thread_size	0.138 INCHES IN
tuning_characteristic	STRAIGHT LINE CAPACITY SINGLE SECTION
adjustment_device_rotation	180.0 DEGREES NOMINAL CLOCKWISE
terminal_type_and_quantity	2 TAB, SOLDER LUG
capacitance_range_in_picofarads	+12.5 TO 270.0 SINGLE SECTION
mounting_facility_type_and_quantity	4 THREADED STUD(S)
adjustment_device_drive_type_and_quantity	1 SHAFT
NSN	5910-00-702-2994

COMPONENT DIAGRAM

KEY FEATURES

•

SHAFT TYPE: ROUND SINGLE SHAFT

•

MOUNTING FACILITY TYPE AND QUANTITY: 4 THREADED STUD(S)

•

SHAFT DIAMETER: 0.250 INCHES NOMINAL SINGLE SHAFT IN

•

INCLOSURE TYPE: UNINCLOSED

•

ADJUSTMENT DEVICE ROTATION: 180.0 DEGREES NOMINAL CLOCKWISE

•

CAPACITANCE RANGE IN PICOFARADS: +12.5 TO 270.0 SINGLE SECTION

•

MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)

TYPICAL APPLICATIONS

RAID cache protection during power loss events
Write-back cache enablement for storage controllers
Enterprise server data integrity assurance
Hot-swap battery/capacitor replacement in production

TECHNICAL CHARACTERISTICS

SHAFT TYPE	ROUND SINGLE SHAFT
MOUNTING FACILITY TYPE AND QUANTITY	4 THREADED STUD(S)
SHAFT DIAMETER	0.250 INCHES NOMINAL SINGLE SHAFT IN
INCLOSURE TYPE	UNINCLOSED
ADJUSTMENT DEVICE ROTATION	180.0 DEGREES NOMINAL CLOCKWISE
CAPACITANCE RANGE IN PICOFARADS	+12.5 TO 270.0 SINGLE SECTION
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
OVERALL LENGTH	2.344 INCHES NOMINAL IN
TUNING CHARACTERISTIC	STRAIGHT LINE CAPACITY SINGLE SECTION
NOMINAL THREAD SIZE	0.138 INCHES IN

OTHER ITEMS IN FSC 5910 — Capacitors

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5910-00-000-1038 5910-00-000-1049 5910-00-000-1080 5910-00-000-6838 5910-00-001-1913 5910-00-001-2576 5910-00-001-2577 5910-00-001-2578

SUBSTITUTES & CROSS-REFERENCES 1

00606296005028Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is CB139-2?

CB139-2 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).

What parts can replace CB139-2?

There is 1 known substitute for CB139-2: 00606296005028. Substitute compatibility should be verified for your specific system.

What is the NSN for CB139-2?

CB139-2 is cataloged in the U.S. Government catalog under NSN 5910-00-702-2994. This indicates validated use in U.S. government and defense supply chains.

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CB139-2 — CAPACITOR,VARIABLE,AIR DIELECTRI

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