PartsTable
Technical Data Sheet
PartsTable / MRO / 31-2004
31-2004 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include material: GLASS CASE, body_style: TUBE TYPE, body_width: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, body_height: 0.120 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, body_length: 0.750 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN, design_type: STUB SINGLE ANTENNA ELEMENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-324-1664, 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→ 31-2004
NSN: 5985-00-324-1664
FSC: 5985
CAGE: 00752 — L3HARRIS TECHNOLOGIES, INC. DBA HARRIS CORP DIV ANTENNA PRODUCTS (USA)
SPECIFICATIONS
materialGLASS CASE
body_styleTUBE TYPE
body_width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
body_height0.120 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
body_length0.750 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
design_typeSTUB SINGLE ANTENNA ELEMENT
overall_width1.208 FEET NOMINAL FT
terminal_typeCONNECTOR, RECEPTACLE SINGLE ANTENNA ELEMENT
overall_height2.500 INCHES NOMINAL IN
overall_length1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
mounting_methodBRACKET(S) AND UNTHREADED HOLE(S)
overall_diameter0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
NSN5985-00-324-1664
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN 31-2004 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
CONNECTOR END DESIGN: PIN OR SOCKET SINGLE ANTENNA ELEMENT
•
RADIATION PATTERN: OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT
•
TERMINATION IDENTIFICATION: 2530-AND-2528 SINGLE ANTENNA ELEMENT
•
MOUNTING METHOD: BRACKET(S) AND UNTHREADED HOLE(S)
•
DESIGN TYPE: STUB SINGLE ANTENNA ELEMENT
•
COAXIAL CONNECTOR SERIES DESIGNATION: C SINGLE ANTENNA ELEMENT
•
TERMINATION MANUFACTURER CODE: 85226 SINGLE ANTENNA ELEMENT
•
BEAM SCANNING METHOD: FIXED SINGLE ANTENNA ELEMENT
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)
CONNECTOR END DESIGNPIN OR SOCKET SINGLE ANTENNA ELEMENT
RADIATION PATTERNOMNIDIRECTIONAL SINGLE ANTENNA ELEMENT
TERMINATION IDENTIFICATION2530-AND-2528 SINGLE ANTENNA ELEMENT
MOUNTING METHODBRACKET(S) AND UNTHREADED HOLE(S)
DESIGN TYPESTUB SINGLE ANTENNA ELEMENT
COAXIAL CONNECTOR SERIES DESIGNATIONC SINGLE ANTENNA ELEMENT
TERMINATION MANUFACTURER CODE85226 SINGLE ANTENNA ELEMENT
BEAM SCANNING METHODFIXED SINGLE ANTENNA ELEMENT
OVERALL WIDTH1.208 FEET NOMINAL FT
TERMINAL TYPECONNECTOR, RECEPTACLE SINGLE ANTENNA ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
FU6X32-4AInterchangeable
interchangeable cross-reference
interchangeable
3980021000Interchangeable
interchangeable cross-reference
interchangeable
X085718Interchangeable
interchangeable cross-reference
interchangeable
MC10102PInterchangeable
interchangeable cross-reference
interchangeable
1820-0802Interchangeable
interchangeable cross-reference
interchangeable
4101010200Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31-2004?
31-2004 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31-2004?
There are 19 known substitutes for 31-2004: FU6X32-4A, 3980021000, X085718 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-2004?
31-2004 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-324-1664. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026