PartsTable
Technical Data Sheet
PartsTable / MRO / 0121-4
0121-4 ✓ Verified by PartsTable
Displex · 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,VARIABLE,AIR DIELECTRI. Key specifications include color: WHITE, material: PORCELAIN OVERALL, body_style: PLATE-MESHING, point_type: CONVENTIONAL, shaft_type: ROUND SINGLE SHAFT, body_length: 5.422 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5133-00-262-2194, 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→ 0121-4
NSN: 5133-00-262-2194
FSC: 5133
CAGE: 13130 — CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC (USA)
SPECIFICATIONS
colorWHITE
materialPORCELAIN OVERALL
body_stylePLATE-MESHING
point_typeCONVENTIONAL
shaft_typeROUND SINGLE SHAFT
body_length5.422 INCHES NOMINAL IN
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length2.875 INCHES NOMINAL IN
shaft_length1.000 INCHES NOMINAL SINGLE SHAFT IN
overall_width3.188 INCHES NOMINAL IN
plate_air_gap0.019 INCHES IN
NSN5133-00-262-2194
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Displex CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 0121-4 MFR Displex CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
POINT ANGLE: 118.0 DEGREES NOMINAL
•
NOMINAL CUTTING DIAMETER: 0.2660 INCHES IN
•
CUTTING ROTATION DIRECTION: RIGHT-HAND
•
FLUTE QUANTITY: 2
•
SHANK STYLE: STRAIGHT ROUND
•
MATERIAL: STEEL OVERALL
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)
SPECIAL FEATURESJOBBERS LG; LETTER SIZE H
POINT ANGLE118.0 DEGREES NOMINAL
NOMINAL CUTTING DIAMETER0.2660 INCHES IN
CUTTING ROTATION DIRECTIONRIGHT-HAND
FLUTE QUANTITY2
SHANK STYLESTRAIGHT ROUND
MATERIALSTEEL OVERALL
OVERALL LENGTH4.125 INCHES NOMINAL IN
POINT TYPECONVENTIONAL
FLUTE LENGTH2.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
13008Interchangeable
interchangeable cross-reference
interchangeable
5571NInterchangeable
interchangeable cross-reference
interchangeable
N13008Interchangeable
interchangeable cross-reference
interchangeable
207HInterchangeable
interchangeable cross-reference
interchangeable
24211Interchangeable
interchangeable cross-reference
interchangeable
15008Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0121-4?
0121-4 is a CAPACITOR,VARIABLE,AIR DIELECTRI manufactured by Displex. It is classified as a MRO (MRO_GENERAL).
What parts can replace 0121-4?
There are 30 known substitutes for 0121-4: 13008, 5571N, N13008 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0121-4?
0121-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5133-00-262-2194. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026