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Technical Data Sheet
PartsTable / COMPONENT / SL4639PC54
SL4639PC54 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include diameter: 0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN, material: STEEL OVERALL, body_style: W/O MTG FACILITIES, RADIAL TERMINALS, drive_type: SLOTTED, point_type: CONVENTIONAL, body_length: 0.156 INCHES MAXIMUM 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 3120-00-398-8023, 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
SL4639PC54
NSN: 3120-00-398-8023
FSC: 3120
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
diameter0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN
materialSTEEL OVERALL
body_styleW/O MTG FACILITIES, RADIAL TERMINALS
drive_typeSLOTTED
point_typeCONVENTIONAL
body_length0.156 INCHES MAXIMUM IN
head_height9.0 MILLIMETERS NOMINAL MM
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
temp_rating25.0 FAHRENHEIT AND 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
closure_typeSCREW CAP
flute_length1.875 INCHES NOMINAL IN
NSN3120-00-398-8023
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SL4639PC54 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
BAC21X5Interchangeable
interchangeable cross-reference
interchangeable
0022-100Interchangeable
interchangeable cross-reference
interchangeable
CVC1462-5Interchangeable
interchangeable cross-reference
interchangeable
40025Interchangeable
interchangeable cross-reference
interchangeable
A17672Interchangeable
interchangeable cross-reference
interchangeable
173079Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SL4639PC54?
SL4639PC54 is a CAPACITOR,FIXED,CERAMIC DIELECTR.
What parts can replace SL4639PC54?
There are 22 known substitutes for SL4639PC54: BAC21X5, 0022-100, CVC1462-5 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SL4639PC54?
SL4639PC54 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-398-8023. 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