B253-123 — CAPACITOR,VARIABLE,AIR DIELECTRI

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

B253-123: CAPACITOR,VARIABLE,AIR DIELECTRI.

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include shaft_type: ROUND SINGLE SHAFT, shaft_length: 0.906 INCHES NOMINAL SINGLE SHAFT IN, inclosure_type: UNINCLOSED, shaft_diameter: 0.250 INCHES NOMINAL SINGLE SHAFT IN, nominal_thread_size: 0.112 INCHES IN, tuning_characteristic: STRAIGHT LINE FREQUENCY SINGLE SECTION. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-552-9678, 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→ B253-123

NSN: 5910-00-552-9678
FSC: 5910 — Capacitors
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)

SPECIFICATIONS

shaft_type	ROUND SINGLE SHAFT
shaft_length	0.906 INCHES NOMINAL SINGLE SHAFT IN
inclosure_type	UNINCLOSED
shaft_diameter	0.250 INCHES NOMINAL SINGLE SHAFT IN
nominal_thread_size	0.112 INCHES IN
tuning_characteristic	STRAIGHT LINE FREQUENCY SINGLE SECTION
adjustment_device_rotation	180.0 DEGREES NOMINAL CLOCKWISE
terminal_type_and_quantity	1 TAB, SOLDER LUG
capacitance_range_in_picofarads	+5.8 TO 75.0 SINGLE SECTION
mounting_facility_type_and_quantity	2 THREADED HOLE(S)
adjustment_device_drive_type_and_quantity	1 SHAFT
mounting_facility_screw_thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5910-00-552-9678

COMPONENT DIAGRAM

KEY FEATURES

•

SHAFT TYPE: ROUND SINGLE SHAFT

•

MOUNTING FACILITY TYPE AND QUANTITY: 2 THREADED HOLE(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: +5.8 TO 75.0 SINGLE SECTION

•

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

•

TUNING CHARACTERISTIC: STRAIGHT LINE FREQUENCY SINGLE SECTION

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	2 THREADED HOLE(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	+5.8 TO 75.0 SINGLE SECTION
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
TUNING CHARACTERISTIC	STRAIGHT LINE FREQUENCY SINGLE SECTION
NOMINAL THREAD SIZE	0.112 INCHES IN
SHAFT LENGTH	0.906 INCHES NOMINAL SINGLE SHAFT 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

9411-72-60201Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B253-123?

B253-123 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).

What parts can replace B253-123?

There is 1 known substitute for B253-123: 9411-72-60201. Substitute compatibility should be verified for your specific system.

What is the NSN for B253-123?

B253-123 is cataloged in the U.S. Government catalog under NSN 5910-00-552-9678. This indicates validated use in U.S. government and defense supply chains.

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B253-123 — CAPACITOR,VARIABLE,AIR DIELECTRI

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