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145018 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

145018: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, grip_length: 1.001 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN, head_height: 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN, shank_style: PIN-RIVET, MULTIPLE GROOVED, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.3440 INCHES NOMINAL FIRST IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-354-4337, 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
145018
NSN: 3120-00-354-4337
NIINs: 003544337, 005510185, 015065415, 015520226
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
grip_length1.001 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
head_height0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
shank_stylePIN-RIVET, MULTIPLE GROOVED
corner_shapeSQUARE ALL CORNERS
hole_diameter0.3440 INCHES NOMINAL FIRST IN
overall_length3.4690 INCHES NOMINAL IN
shank_diameter0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
fastener_length2.940 INCHES MINIMUM AND 3.140 INCHES MAXIMUM IN
special_featuresINTERNAL SURFACE GROOVE
style_designatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
locking_lug_width0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN
NSN3120-00-354-4337
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 145018 · 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
•
DISTANCE FROM CENTERLINE OF OPENING TO LEFT END OF BEARING: 1.7340 INCHES NOMINAL FIRST IN
•
LOCKING LUG HEIGHT: 0.0550 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 3.7780 INCHES MINIMUM IN
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 3.5276 INCHES MINIMUM AND 3.5280 INCHES MAXIMUM IN
•
LUBRICANT ACCOMMODATION STYLE: GROOVED STRAIGHT AND CIRCULAR
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
DISTANCE FROM CENTERLINE OF OPENING TO LEFT END OF BEARING1.7340 INCHES NOMINAL FIRST IN
LOCKING LUG HEIGHT0.0550 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER3.7780 INCHES MINIMUM IN
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH3.4690 INCHES NOMINAL IN
BODY INSIDE DIAMETER3.5276 INCHES MINIMUM AND 3.5280 INCHES MAXIMUM IN
LUBRICANT ACCOMMODATION STYLEGROOVED STRAIGHT AND CIRCULAR
LOCKING LUG WIDTH0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN
SPECIAL FEATURESINTERNAL SURFACE GROOVE
SUBSTITUTES & CROSS-REFERENCES 5
145018ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
809A3Reference document
Same NSN cross-reference
Reference document — Secondary reference
145018DSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1A145018FSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
145018CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 145018?
145018 is a MICROCIRCUIT,DIGITAL.
What parts can replace 145018?
There are 5 known substitutes for 145018: 145018A, 809A3, 145018D and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 145018?
145018 is cataloged in the U.S. Government catalog under NSN 3120-00-354-4337. 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.