SM-D-879189 — CAPACITOR,VARIABLE,AIR DIELECTRI

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

SM-D-879189: CAPACITOR,VARIABLE,AIR DIELECTRI.

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include body_style: PLATE-MESHING, shaft_type: ROUND SINGLE SHAFT, body_length: 1.780 INCHES NOMINAL IN, shaft_length: 0.400 INCHES NOMINAL SINGLE SHAFT IN, thread_class: 2A A, bushing_shape: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5910-01-032-7378, 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→ SM-D-879189

NSN: 5910-01-032-7378
FSC: 5910 — Capacitors
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)

SPECIFICATIONS

body_style	PLATE-MESHING
shaft_type	ROUND SINGLE SHAFT
body_length	1.780 INCHES NOMINAL IN
shaft_length	0.400 INCHES NOMINAL SINGLE SHAFT IN
thread_class	2A A
bushing_shape	ROUND
overall_width	1.250 INCHES NOMINAL IN
bushing_length	0.375 INCHES NOMINAL IN
inclosure_type	UNINCLOSED
overall_height	1.000 INCHES NOMINAL IN
overall_length	2.560 INCHES NOMINAL IN
shaft_diameter	0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE SHAFT IN
NSN	5910-01-032-7378

COMPONENT DIAGRAM

KEY FEATURES

•

SHAFT TYPE: ROUND SINGLE SHAFT

•

BUSHING SHAPE: ROUND

•

BUSHING LENGTH: 0.375 INCHES NOMINAL IN

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED BUSHING

•

NONDERATED VOLTAGE RATING AND TYPE: 848.0 AC PEAK TO PEAK SINGLE SECTION

•

SHAFT DIAMETER: 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE SHAFT IN

•

INCLOSURE TYPE: UNINCLOSED

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
BUSHING SHAPE	ROUND
BUSHING LENGTH	0.375 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED BUSHING
OVERALL HEIGHT	1.000 INCHES NOMINAL IN
NONDERATED VOLTAGE RATING AND TYPE	848.0 AC PEAK TO PEAK SINGLE SECTION
SHAFT DIAMETER	0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE SHAFT IN
INCLOSURE TYPE	UNINCLOSED
BODY STYLE	PLATE-MESHING
CAPACITANCE RANGE IN PICOFARADS	+6.7 TO 150.0 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

SI-151-VCReference 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 SM-D-879189?

SM-D-879189 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).

What parts can replace SM-D-879189?

There is 1 known substitute for SM-D-879189: SI-151-VC. Substitute compatibility should be verified for your specific system.

What is the NSN for SM-D-879189?

SM-D-879189 is cataloged in the U.S. Government catalog under NSN 5910-01-032-7378. This indicates validated use in U.S. government and defense supply chains.

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SM-D-879189 — CAPACITOR,VARIABLE,AIR DIELECTRI

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