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WT254-16 — Technical Data Sheet

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— · COMPONENT
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 face_width: 1.062 INCHES NOMINAL IN, shaft_type: STRAIGHT, teeth_type: SINGLE HELIX, helix_angle: 23.1787 DEGREES, shaft_length: 7.532 INCHES NOMINAL IN, gear_material: STEEL. This part is cataloged in the Federal Logistics Information System under NSN 3040-00-090-5837, 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
WT254-16
NSN: 3040-00-090-5837
FSC: 3040
CAGE: 31204 — PERFECTION CLUTCH (USA)
SPECIFICATIONS
face_width1.062 INCHES NOMINAL IN
shaft_typeSTRAIGHT
teeth_typeSINGLE HELIX
helix_angle23.1787 DEGREES
shaft_length7.532 INCHES NOMINAL IN
gear_materialSTEEL
overall_length8.594 INCHES NOMINAL IN
pressure_angle18.3666 DEGREES
shaft_diameter1.373 INCHES NOMINAL IN
shaft_end_size2.285 INCHES IN
shaft_end_typeSPLINED INVOLUTE, INTERNAL
shaft_materialSTEEL
NSN3040-00-090-5837
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN WT254-16 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
SHAFT LENGTH: 7.532 INCHES NOMINAL IN
•
SHAFT DIAMETER: 1.373 INCHES NOMINAL IN
•
GEAR MATERIAL: STEEL
•
SHAFT TYPE: STRAIGHT
•
HARDNESS RATING: 58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
•
TOOTH DIRECTION: LEFT
•
TEETH TYPE: SINGLE HELIX
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
OVERALL LENGTH8.594 INCHES NOMINAL IN
SHAFT LENGTH7.532 INCHES NOMINAL IN
SHAFT DIAMETER1.373 INCHES NOMINAL IN
GEAR MATERIALSTEEL
SHAFT TYPESTRAIGHT
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
TOOTH DIRECTIONLEFT
TEETH TYPESINGLE HELIX
SHAFT END SIZE2.285 INCHES IN
HELIX ANGLE23.1787 DEGREES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
200083InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
RC557PPInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
DM15-500JInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
311-00366InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M370B061A0018AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M370B06B2A0220InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WT254-16?
WT254-16 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace WT254-16?
There are 15 known substitutes for WT254-16: 200083, RC557PP, DM15-500J and 12 more. Substitute compatibility should be verified for your specific system.
Is WT254-16 still available?
WT254-16 is currently cancelled.
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Last verified: October 2026