GSM279 — CAPACITOR,VARIABLE,MICA DIELECTR

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

GSM279: CAPACITOR,VARIABLE,MICA DIELECTR.

CAPACITOR,VARIABLE,MICA DIELECTR. Key specifications include body_style: COMPRESSION, body_height: 0.625 INCHES NOMINAL IN, body_length: 0.750 INCHES NOMINAL IN, inclosure_type: ENCASED, special_features: WEAPON SYSTEM ESSENTIAL, nonderated_operating_temp: -35.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-455-0144, 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→ GSM279

NSN: 5910-00-455-0144
FSC: 5910 — Capacitors
CAGE: 52769 — SPRAGUE-GOODMAN ELECTRONICS, INC. (USA)

SPECIFICATIONS

body_style	COMPRESSION
body_height	0.625 INCHES NOMINAL IN
body_length	0.750 INCHES NOMINAL IN
inclosure_type	ENCASED
special_features	WEAPON SYSTEM ESSENTIAL
nonderated_operating_temp	-35.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
criticality_code_justification	FEAT
capacitance_range_in_picofarads	+75.0 TO 380.0 SINGLE SECTION
quality_factor_at_25_deg_celsius	500.0
nonderated_voltage_rating_and_type	175.0 DC CONTINUOUS SINGLE SECTION
mounting_facility_type_and_quantity	2 UNTHREADED HOLE(S)
adjustment_device_drive_type_and_quantity	1 SLOTTED SCREW
NSN	5910-00-455-0144

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

NONDERATED VOLTAGE RATING AND TYPE: 175.0 DC CONTINUOUS SINGLE SECTION

•

INCLOSURE TYPE: ENCASED

•

BODY STYLE: COMPRESSION

•

INSULATION DC RESISTANCE AT 25 DEG CELSIUS: 10.0 GIGOHMS

•

CAPACITANCE CHANGE IN PERCENT AT OPERATING TEMP FROM 25 DEG CELSIUS: -1.50 TO 0.30 MINIMUM AND -1.50 TO 0.50 MAXIMUM SINGLE SECTION

•

NONDERATED OPERATING TEMP: -35.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC

•

CAPACITANCE RANGE IN PICOFARADS: +75.0 TO 380.0 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

MOUNTING FACILITY TYPE AND QUANTITY	2 UNTHREADED HOLE(S)
NONDERATED VOLTAGE RATING AND TYPE	175.0 DC CONTINUOUS SINGLE SECTION
INCLOSURE TYPE	ENCASED
BODY STYLE	COMPRESSION
INSULATION DC RESISTANCE AT 25 DEG CELSIUS	10.0 GIGOHMS
CAPACITANCE CHANGE IN PERCENT AT OPERATING TEMP FROM 25 DEG CELSIUS	-1.50 TO 0.30 MINIMUM AND -1.50 TO 0.50 MAXIMUM SINGLE SECTION
NONDERATED OPERATING TEMP	-35.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
CAPACITANCE RANGE IN PICOFARADS	+75.0 TO 380.0 SINGLE SECTION
BODY HEIGHT	0.625 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATION	FEAT

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 2

0121-0426Reference document

Same NSN cross-reference

Reference document — Secondary reference

GMD40500Reference 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 GSM279?

GSM279 is a CAPACITOR,VARIABLE,MICA DIELECTR. It is classified as a MRO (MRO_GENERAL).

What parts can replace GSM279?

There are 2 known substitutes for GSM279: 0121-0426, GMD40500. Substitute compatibility should be verified for your specific system.

What is the NSN for GSM279?

GSM279 is cataloged in the U.S. Government catalog under NSN 5910-00-455-0144. This indicates validated use in U.S. government and defense supply chains.

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GSM279 — CAPACITOR,VARIABLE,MICA DIELECTR

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