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MIL-312-16 CLASS 1 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include shape: ROUND, length: 14.000 INCHES NOMINAL IN, material: STEEL FILLER, current_type: AC OR DC, physical_form: STRAIGHT, outside_diameter: 0.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 3439-00-165-4169, 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
MIL-312-16 CLASS 1
NSN: 3439-00-165-4169
FSC: 3439
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
shapeROUND
length14.000 INCHES NOMINAL IN
materialSTEEL FILLER
current_typeAC OR DC
physical_formSTRAIGHT
outside_diameter0.125 INCHES NOMINAL IN
flux_coating_typeSHIELDED ARC
polarity_characteristicREVERSE OR STRAIGHT
weld_position_for_which_designedALL POSITIONS
material_document_and_classificationMIL-E-22200/2,TY MIL-312-16 MIL SPEC SINGLE MATERIAL RESPONSE FILLER
NSN3439-00-165-4169
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN MIL-312-16 CLASS 1 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
FLUX COATING TYPE: SHIELDED ARC
•
CURRENT TYPE: AC OR DC
•
LENGTH: 14.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-E-22200/2,TY MIL-312-16 MIL SPEC SINGLE MATERIAL RESPONSE FILLER
•
OUTSIDE DIAMETER: 0.125 INCHES NOMINAL IN
•
MATERIAL: STEEL FILLER
•
WELD POSITION FOR WHICH DESIGNED: ALL POSITIONS
•
SHAPE: ROUND
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
FLUX COATING TYPESHIELDED ARC
CURRENT TYPEAC OR DC
LENGTH14.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-E-22200/2,TY MIL-312-16 MIL SPEC SINGLE MATERIAL RESPONSE FILLER
OUTSIDE DIAMETER0.125 INCHES NOMINAL IN
MATERIALSTEEL FILLER
WELD POSITION FOR WHICH DESIGNEDALL POSITIONS
SHAPEROUND
PHYSICAL FORMSTRAIGHT
POLARITY CHARACTERISTICREVERSE OR STRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
AWSA5.4-78 E312-16 0.188 10LBInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ARCAL0Y312-16InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AWS A5.4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1195InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GGG-D-296InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
312A16InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-312-16 CLASS 1?
MIL-312-16 CLASS 1 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace MIL-312-16 CLASS 1?
There are 17 known substitutes for MIL-312-16 CLASS 1: AWSA5.4-78 E312-16 0.188 10LB, ARCAL0Y312-16, AWS A5.4 and 14 more. Substitute compatibility should be verified for your specific system.
Is MIL-312-16 CLASS 1 still available?
MIL-312-16 CLASS 1 is currently cancelled.
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Last verified: October 2026