PartsTable
Technical Data Sheet
PartsTable / MRO / D-1-4
D-1-4 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include color: GRAY/GREY FIRST POSITION COVER SINGLE CONDUCTOR, weight: 220.0 POUNDS NOMINAL LBS, diameter: 1.250 INCHES NOMINAL IN, material: COPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR, duty_type: CONTINUOUS, tire_type: PNEUMATIC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-801-4620, 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→ D-1-4
NSN: 6145-00-801-4620
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
colorGRAY/GREY FIRST POSITION COVER SINGLE CONDUCTOR
weight220.0 POUNDS NOMINAL LBS
diameter1.250 INCHES NOMINAL IN
materialCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
duty_typeCONTINUOUS
tire_typePNEUMATIC
body_styleW/O MTG FACILITIES, RADIAL TERMINALS
body_width1.115 INCHES NOMINAL IN
body_height0.630 INCHES NOMINAL IN
body_length0.266 INCHES NOMINAL IN
feed_length97.000 INCHES NOMINAL IN
feed_methodPOWER
NSN6145-00-801-4620
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: D-1-4 · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS SECTION OUTSIDE DIAMETER: 0.139 INCHES NOMINAL IN
•
TEMP RATING: 105.0 CELSIUS DEGC
•
MATERIAL: COPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
•
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
•
ROUND CONDUCTOR SIZE: 14 AWG SINGLE CONDUCTOR
•
SURFACE TREATMENT: TIN CORE CONDUCTOR SINGLE CONDUCTOR
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 (FLIS)
CROSS SECTION OUTSIDE DIAMETER0.139 INCHES NOMINAL IN
TEMP RATING105.0 CELSIUS DEGC
MATERIALCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE14 AWG SINGLE CONDUCTOR
SURFACE TREATMENTTIN CORE CONDUCTOR SINGLE CONDUCTOR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
STRAND AWG SIZE PER CONDUCTOR27 SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
MIL-W-16878/19Upgraded Successor
successor cross-reference
successor
SHFS-42(49)Upgraded Successor
successor cross-reference
successor
M16878/19BRH8Upgraded Successor
successor cross-reference
successor
5651Interchangeable
interchangeable cross-reference
interchangeable
D14Interchangeable
interchangeable cross-reference
interchangeable
MILD3146Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D-1-4?
D-1-4 is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace D-1-4?
There are 23 known substitutes for D-1-4: MIL-W-16878/19, SHFS-42(49), M16878/19BRH8 and 20 more. Substitute compatibility should be verified for your specific system.
Is D-1-4 still available?
D-1-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026