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Technical Data Sheet
PartsTable / COMPONENT / 7378851
7378851 ✓ 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 material: COPPER ALLOY INNER LAYER, corner_shape: ROUND INSIDE LEFT CORNER, hole_diameter: 0.1820 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM FIRST IN, overall_length: 1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN, style_designator: SEGMENTED, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 2.4046 INCHES MINIMUM AND 2.4091 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 3120-00-737-8851, 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
7378851
NSN: 3120-00-737-8851
FSC: 3120
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialCOPPER ALLOY INNER LAYER
corner_shapeROUND INSIDE LEFT CORNER
hole_diameter0.1820 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM FIRST IN
overall_length1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM IN
style_designatorSEGMENTED, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter2.4046 INCHES MINIMUM AND 2.4091 INCHES MAXIMUM IN
body_outside_diameter2.5590 INCHES MINIMUM AND 2.5640 INCHES MAXIMUM IN
antirotation/lubrication_type_and_quantity8 HOLE
NSN3120-00-737-8851
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 7378851 · 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
KEY FEATURES
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 8 HOLE
•
BODY INSIDE DIAMETER: 2.4046 INCHES MINIMUM AND 2.4091 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SEGMENTED, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: STEEL OUTER LAYER
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)
CORNER SHAPESQUARE INSIDE RIGHT CORNER
ANTIROTATION/LUBRICATION TYPE AND QUANTITY8 HOLE
BODY INSIDE DIAMETER2.4046 INCHES MINIMUM AND 2.4091 INCHES MAXIMUM IN
CORNER SHAPEROUND INSIDE LEFT CORNER
STYLE DESIGNATORSEGMENTED, PLAIN, NO OUTSIDE FLANGES
MATERIALSTEEL OUTER LAYER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
BODY OUTSIDE DIAMETER2.5590 INCHES MINIMUM AND 2.5640 INCHES MAXIMUM IN
HOLE DIAMETER0.1820 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM FIRST IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
43098Interchangeable
interchangeable cross-reference
interchangeable
134914Interchangeable
interchangeable cross-reference
interchangeable
SP-406Interchangeable
interchangeable cross-reference
interchangeable
0000040600Interchangeable
interchangeable cross-reference
interchangeable
8503Interchangeable
interchangeable cross-reference
interchangeable
K-7111816-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7378851?
7378851 is a CAPACITOR,FIXED,CERAMIC DIELECTR.
What parts can replace 7378851?
There are 8 known substitutes for 7378851: 43098, 134914, SP-406 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7378851?
7378851 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-737-8851. 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