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7378817 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

7378817: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include corner_shape: SQUARE ALL CORNERS, overall_length: 0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.3740 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN, body_outside_diameter: 1.5160 INCHES MINIMUM AND 1.5230 INCHES MAXIMUM IN, antirotation/lubrication_type_and_quantity: 1 HOLE. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-737-8817, 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
7378817
NSN: 3120-00-737-8817
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
corner_shapeSQUARE ALL CORNERS
overall_length0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.3740 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
body_outside_diameter1.5160 INCHES MINIMUM AND 1.5230 INCHES MAXIMUM IN
antirotation/lubrication_type_and_quantity1 HOLE
NSN3120-00-737-8817
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 7378817 · 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 ALL CORNERS
•
BODY OUTSIDE DIAMETER: 1.5160 INCHES MINIMUM AND 1.5230 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 1.3740 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 1 HOLE
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.5160 INCHES MINIMUM AND 1.5230 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.3740 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
SUBSTITUTES & CROSS-REFERENCES 1
4-2814Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7378817?
7378817 is a MICROCIRCUIT,DIGITAL.
What parts can replace 7378817?
There is 1 known substitute for 7378817: 4-2814. Substitute compatibility should be verified for your specific system.
What is the NSN for 7378817?
7378817 is cataloged in the U.S. Government catalog under NSN 3120-00-737-8817. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.