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Technical Data Sheet
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684-2005 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

684-2005: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, slot_width: 0.1310 INCHES NOMINAL FIRST IN, slot_length: 1.2200 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM FIRST IN, corner_shape: SQUARE LEFT FLANGE BODY CORNER, hole_diameter: 0.0930 INCHES NOMINAL FIRST IN, overall_length: 1.4600 INCHES MINIMUM AND 1.4800 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-684-2005, 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
684-2005
NSN: 3120-00-684-2005
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 59155 — MARINE DIESEL, INC. DBA MARINE DIESEL (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
slot_width0.1310 INCHES NOMINAL FIRST IN
slot_length1.2200 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM FIRST IN
corner_shapeSQUARE LEFT FLANGE BODY CORNER
hole_diameter0.0930 INCHES NOMINAL FIRST IN
overall_length1.4600 INCHES MINIMUM AND 1.4800 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF RIGHT FLANGE
style_designatorSOLID, EXTERNAL FLANGES BOTH ENDS
left_flange_width0.1700 INCHES MINIMUM AND 0.2100 INCHES MAXIMUM IN
right_flange_width0.1700 INCHES MINIMUM AND 0.2100 INCHES MAXIMUM IN
body_inside_diameter0.5150 INCHES NOMINAL IN
body_outside_diameter0.6400 INCHES MINIMUM AND 0.6600 INCHES MAXIMUM IN
NSN3120-00-684-2005
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 684-2005 · 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
•
SURFACE FINISH: 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF RIGHT FLANGE
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF LEFT FLANGE
SURFACE FINISH250.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY AND FLANGE
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE RIGHT FLANGE BODY CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
SUBSTITUTES & CROSS-REFERENCES 1
373888Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 684-2005?
684-2005 is a BEARING,SLEEVE.
What parts can replace 684-2005?
There is 1 known substitute for 684-2005: 373888. Substitute compatibility should be verified for your specific system.
What is the NSN for 684-2005?
684-2005 is cataloged in the U.S. Government catalog under NSN 3120-00-684-2005. This indicates validated use in U.S. government and defense supply chains.
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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.