SPEC 4197 — CAPACITOR,VARIABLE,AIR DIELECTRI

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

SPEC 4197: CAPACITOR,VARIABLE,AIR DIELECTRI.

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include shaft_type: ROUND SINGLE SHAFT, shaft_length: 0.125 INCHES NOMINAL SINGLE SHAFT IN, inclosure_type: UNINCLOSED, overall_length: 1.938 INCHES NOMINAL IN, special_features: FRICTION VERNIER DRIVE BALL TYPE PLANETARY W/8 TO 1 RATIO, nominal_thread_size: 0.112 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-771-8372, 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→ SPEC 4197

NSN: 5930-00-771-8372
NIINs: 007718372, 008543353
FSC: 5930 — Switches
CAGE: 28057 — SHALLCO, INC (USA)

SPECIFICATIONS

shaft_type	ROUND SINGLE SHAFT
shaft_length	0.125 INCHES NOMINAL SINGLE SHAFT IN
inclosure_type	UNINCLOSED
overall_length	1.938 INCHES NOMINAL IN
special_features	FRICTION VERNIER DRIVE BALL TYPE PLANETARY W/8 TO 1 RATIO
nominal_thread_size	0.112 INCHES IN
tuning_characteristic	STRAIGHT LINE CAPACITY SINGLE SECTION
adjustment_device_rotation	180.0 DEGREES NOMINAL CLOCKWISE
terminal_type_and_quantity	1 BANANA PLUG
contact_load_current_rating	1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
capacitance_range_in_picofarads	+4.0 TO 10.0 SINGLE SECTION
contact_voltage_rating_in_volts	150.0 AC AT SEA LEVEL
NSN	5930-00-771-8372

COMPONENT DIAGRAM

KEY FEATURES

•

CONTACT LOAD CURRENT RATING: 1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL

•

CONTACT VOLTAGE RATING IN VOLTS: 150.0 AC AT SEA LEVEL

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

CONTACT LOAD CURRENT RATING	1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
CONTACT VOLTAGE RATING IN VOLTS	150.0 AC AT SEA LEVEL

SUBSTITUTES & CROSS-REFERENCES 2

B4376-112Reference document

Same NSN cross-reference

Reference document — Secondary reference

C18420-3Reference document

Same NSN cross-reference

Reference document — Design control — primary 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 SPEC 4197?

SPEC 4197 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).

What parts can replace SPEC 4197?

There are 2 known substitutes for SPEC 4197: B4376-112, C18420-3. Substitute compatibility should be verified for your specific system.

What is the NSN for SPEC 4197?

SPEC 4197 is cataloged in the U.S. Government catalog under NSN 5930-00-771-8372. This indicates validated use in U.S. government and defense supply chains.

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SPEC 4197 — CAPACITOR,VARIABLE,AIR DIELECTRI

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