P31800028 — CAPACITOR,VARIABLE,AIR DIELECTRI

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

P31800028: CAPACITOR,VARIABLE,AIR DIELECTRI.

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include shaft_type: ROUND SINGLE SHAFT, shaft_length: 0.562 INCHES NOMINAL SINGLE SHAFT IN, thread_class: 2B, inclosure_type: UNINCLOSED, overall_length: 1.250 INCHES NOMINAL IN, shaft_diameter: 0.250 INCHES NOMINAL SINGLE SHAFT IN. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-809-9931, 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→ P31800028

NSN: 5910-00-809-9931
FSC: 5910 — Capacitors
CAGE: 99872 — ENTRON INDUSTRIES LIMITED PARTNERSHIP DBA ENTRON INDUSTRIES PROPERTY DIV (USA)

SPECIFICATIONS

shaft_type	ROUND SINGLE SHAFT
shaft_length	0.562 INCHES NOMINAL SINGLE SHAFT IN
thread_class	2B
inclosure_type	UNINCLOSED
overall_length	1.250 INCHES NOMINAL IN
shaft_diameter	0.250 INCHES NOMINAL SINGLE SHAFT IN
nominal_thread_size	0.112 INCHES IN
tuning_characteristic	STRAIGHT LINE CAPACITY SINGLE SECTION
thread_quantity_per_inch	32
adjustment_device_rotation	180.0 DEGREES NOMINAL CLOCKWISE
terminal_type_and_quantity	1 TAB, SOLDER LUG AND 1 SOLDER STUD
capacitance_range_in_picofarads	+2.0 TO 10.0 SINGLE SECTION
NSN	5910-00-809-9931

COMPONENT DIAGRAM

KEY FEATURES

•

SHAFT TYPE: ROUND SINGLE SHAFT

•

MOUNTING FACILITY TYPE AND QUANTITY: 2 THREADED HOLE(S)

•

NONDERATED VOLTAGE RATING AND TYPE: 600.0 AC PEAK SINGLE SECTION

•

SHAFT DIAMETER: 0.250 INCHES NOMINAL SINGLE SHAFT IN

•

INCLOSURE TYPE: UNINCLOSED

•

ADJUSTMENT DEVICE ROTATION: 180.0 DEGREES NOMINAL CLOCKWISE

•

CAPACITANCE RANGE IN PICOFARADS: +2.0 TO 10.0 SINGLE SECTION

•

MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR: UNS

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)
NONDERATED VOLTAGE RATING AND TYPE	600.0 AC PEAK SINGLE SECTION
SHAFT DIAMETER	0.250 INCHES NOMINAL SINGLE SHAFT IN
INCLOSURE TYPE	UNINCLOSED
ADJUSTMENT DEVICE ROTATION	180.0 DEGREES NOMINAL CLOCKWISE
CAPACITANCE RANGE IN PICOFARADS	+2.0 TO 10.0 SINGLE SECTION
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR	UNS
OVERALL LENGTH	1.250 INCHES NOMINAL IN
TUNING CHARACTERISTIC	STRAIGHT LINE CAPACITY SINGLE SECTION

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

MAPC10BReference document

Same NSN cross-reference

Reference document — Secondary reference

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 P31800028?

P31800028 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).

What parts can replace P31800028?

There is 1 known substitute for P31800028: MAPC10B. Substitute compatibility should be verified for your specific system.

What is the NSN for P31800028?

P31800028 is cataloged in the U.S. Government catalog under NSN 5910-00-809-9931. This indicates validated use in U.S. government and defense supply chains.

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P31800028 — CAPACITOR,VARIABLE,AIR DIELECTRI

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