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2493787 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

2493787: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.6780 INCHES MINIMUM AND 0.6800 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, surface_treatment: TIN OVERALL, body_inside_diameter: 0.6250 INCHES MINIMUM AND 0.6255 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-128-9031, 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
2493787
NSN: 3120-01-128-9031
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 45934 — ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.6780 INCHES MINIMUM AND 0.6800 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
surface_treatmentTIN OVERALL
body_inside_diameter0.6250 INCHES MINIMUM AND 0.6255 INCHES MAXIMUM IN
body_outside_diameter0.8005 INCHES MINIMUM AND 0.8010 INCHES MAXIMUM IN
NSN3120-01-128-9031
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2493787 · 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: 0.8005 INCHES MINIMUM AND 0.8010 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 0.6250 INCHES MINIMUM AND 0.6255 INCHES MAXIMUM IN
•
SURFACE TREATMENT: TIN OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.8005 INCHES MINIMUM AND 0.8010 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.6780 INCHES MINIMUM AND 0.6800 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.6250 INCHES MINIMUM AND 0.6255 INCHES MAXIMUM IN
SURFACE TREATMENTTIN OVERALL
MATERIALCOPPER ALLOY OVERALL
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES 1
10107838Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2493787?
2493787 is a BUSHING,SLEEVE.
What parts can replace 2493787?
There is 1 known substitute for 2493787: 10107838. Substitute compatibility should be verified for your specific system.
What is the NSN for 2493787?
2493787 is cataloged in the U.S. Government catalog under NSN 3120-01-128-9031. 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.