89H4-1 — CAPACITOR,VARIABLE,GLASS DIELECT

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

89H4-1: CAPACITOR,VARIABLE,GLASS DIELECT.

CAPACITOR,VARIABLE,GLASS DIELECT. Key specifications include body_style: PISTON, shaft_type: ROUND, SLOTTED SINGLE SHAFT, body_length: 0.469 INCHES NOMINAL IN, shaft_length: 0.125 INCHES MAXIMUM SINGLE SHAFT IN, bushing_shape: ROUND W/FLAT, bushing_width: 0.167 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-408-3795, 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→ 89H4-1

NSN: 5910-00-408-3795
FSC: 5910 — Capacitors
CAGE: 38597 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)

SPECIFICATIONS

body_style	PISTON
shaft_type	ROUND, SLOTTED SINGLE SHAFT
body_length	0.469 INCHES NOMINAL IN
shaft_length	0.125 INCHES MAXIMUM SINGLE SHAFT IN
bushing_shape	ROUND W/FLAT
bushing_width	0.167 INCHES NOMINAL IN
bushing_length	0.281 INCHES NOMINAL IN
inclosure_type	ENCAPSULATED
shaft_diameter	0.167 INCHES NOMINAL SINGLE SHAFT IN
bushing_diameter	0.190 INCHES NOMINAL IN
overall_diameter	0.312 INCHES NOMINAL IN
nominal_thread_size	0.190 INCHES IN
NSN	5910-00-408-3795

COMPONENT DIAGRAM

KEY FEATURES

•

SHAFT TYPE: ROUND, SLOTTED SINGLE SHAFT

•

BUSHING SHAPE: ROUND W/FLAT

•

BUSHING LENGTH: 0.281 INCHES NOMINAL IN

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED BUSHING

•

NONDERATED VOLTAGE RATING AND TYPE: 1000.0 DC CONTINUOUS SINGLE SECTION

•

SHAFT DIAMETER: 0.167 INCHES NOMINAL SINGLE SHAFT IN

•

INCLOSURE TYPE: ENCAPSULATED

•

BODY STYLE: PISTON

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, SLOTTED SINGLE SHAFT
BUSHING SHAPE	ROUND W/FLAT
BUSHING LENGTH	0.281 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING
NONDERATED VOLTAGE RATING AND TYPE	1000.0 DC CONTINUOUS SINGLE SECTION
SHAFT DIAMETER	0.167 INCHES NOMINAL SINGLE SHAFT IN
INCLOSURE TYPE	ENCAPSULATED
BODY STYLE	PISTON
INSULATION DC RESISTANCE AT 25 DEG CELSIUS	1000.0 GIGOHMS
NONDERATED OPERATING TEMP	-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC

SUBSTITUTES & CROSS-REFERENCES 6

MIL-C-14409/5Reference document

Same NSN cross-reference

Reference document — Secondary reference

MC601YReference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

11207018-3Reference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

MIL-PRF-14409/5Reference document

Same NSN cross-reference

Reference document — Identification reference

PC39G160Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

347C499H02Reference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 89H4-1?

89H4-1 is a CAPACITOR,VARIABLE,GLASS DIELECT. It is classified as a MRO (MRO_GENERAL).

What parts can replace 89H4-1?

There are 6 known substitutes for 89H4-1: MIL-C-14409/5, MC601Y, 11207018-3 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 89H4-1?

89H4-1 is cataloged in the U.S. Government catalog under NSN 5910-00-408-3795. This indicates validated use in U.S. government and defense supply chains.

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89H4-1 — CAPACITOR,VARIABLE,GLASS DIELECT

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