MIL-PRF-81/4 — CAPACITOR,VARIABLE,CERAMIC DIELE

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

MIL-PRF-81/4: CAPACITOR,VARIABLE,CERAMIC DIELE.

CAPACITOR,VARIABLE,CERAMIC DIELE. Key specifications include body_style: ROTARY, inclosure_type: UNINCLOSED, overall_height: 0.310 INCHES NOMINAL IN, terminal_length: 0.100 INCHES NOMINAL IN, overall_diameter: 0.370 INCHES NOMINAL IN, terminal_thickness: 0.012 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-172-7989, 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→ MIL-PRF-81/4

NSN: 5910-00-172-7989
NIINs: 001727989, 002511308, 002703079, 004038872, 004362576, 004417749, 004654458, 004969411, 004985584, 010252834, 010298255, 010570969, 010577706, 010935308, 011526243, 014428240
FSC: 5910 — Capacitors
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

body_style	ROTARY
inclosure_type	UNINCLOSED
overall_height	0.310 INCHES NOMINAL IN
terminal_length	0.100 INCHES NOMINAL IN
overall_diameter	0.370 INCHES NOMINAL IN
terminal_thickness	0.012 INCHES NOMINAL IN
adjustment_device_torque	1.000 INCH-OUNCES MINIMUM AND 6.000 INCH-OUNCES MAXIMUM IN
nonderated_operating_temp	-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity	3 SOLDER STUD
specification/standard_data	81349-CV31B600 GOVERNMENT SPECIFICATION
capacitance_drift_in_picofarads	0.50 SINGLE SECTION
capacitance_range_in_picofarads	+7.0 TO 25.0 SINGLE SECTION
NSN	5910-00-172-7989

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 2 TERMINAL

•

NONDERATED VOLTAGE RATING AND TYPE: 350.0 DC CONTINUOUS SINGLE SECTION

•

INCLOSURE TYPE: ENCASED

•

CAPACITANCE DRIFT IN PICOFARADS: 0.50 SINGLE SECTION

•

BODY STYLE: ROTARY

•

INSULATION DC RESISTANCE AT 25 DEG CELSIUS: 10000.0 MEGOHMS

•

CAPACITANCE CHANGE IN PERCENT AT OPERATING TEMP FROM 25 DEG CELSIUS: -1.00 TO 6.50 MINIMUM AND -4.00/-1.00 MAXIMUM 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 TERMINAL
OVERALL HEIGHT	0.310 INCHES NOMINAL IN
NONDERATED VOLTAGE RATING AND TYPE	350.0 DC CONTINUOUS SINGLE SECTION
INCLOSURE TYPE	ENCASED
CAPACITANCE DRIFT IN PICOFARADS	0.50 SINGLE SECTION
BODY STYLE	ROTARY
INSULATION DC RESISTANCE AT 25 DEG CELSIUS	10000.0 MEGOHMS
CAPACITANCE CHANGE IN PERCENT AT OPERATING TEMP FROM 25 DEG CELSIUS	-1.00 TO 6.50 MINIMUM AND -4.00/-1.00 MAXIMUM SINGLE SECTION
NONDERATED OPERATING TEMP	-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
OVERALL DIAMETER	0.370 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 4

10STRIK022-8-25PFN470Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

917-0004-060Reference document

Same NSN cross-reference

Reference document — Secondary reference

CV31C250Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

MILC81-4Reference 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

Ready to buy MIL-PRF-81/4?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is MIL-PRF-81/4?

MIL-PRF-81/4 is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).

What parts can replace MIL-PRF-81/4?

There are 4 known substitutes for MIL-PRF-81/4: 10STRIK022-8-25PFN470, 917-0004-060, CV31C250 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MIL-PRF-81/4?

MIL-PRF-81/4 is cataloged in the U.S. Government catalog under NSN 5910-00-172-7989. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

MIL-PRF-81/4 — CAPACITOR,VARIABLE,CERAMIC DIELE

Request a Quote — MIL-PRF-81/4