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656680 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

656680: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 615 OVERALL, corner_shape: SQUARE INSIDE RIGHT CORNER, flange_width: 0.1350 INCHES MINIMUM AND 0.1450 INCHES MAXIMUM IN, overall_length: 0.4140 INCHES MINIMUM AND 0.4260 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.4010 INCHES MINIMUM AND 0.4110 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-252-3534, 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
656680
NSN: 3120-00-252-3534
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 615 OVERALL
corner_shapeSQUARE INSIDE RIGHT CORNER
flange_width0.1350 INCHES MINIMUM AND 0.1450 INCHES MAXIMUM IN
overall_length0.4140 INCHES MINIMUM AND 0.4260 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.4010 INCHES MINIMUM AND 0.4110 INCHES MAXIMUM IN
body_outside_diameter0.5632 INCHES MINIMUM AND 0.5637 INCHES MAXIMUM IN
flange_outside_diameter0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
material_document_and_classificationAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-252-3534
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 656680 · 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
•
FLANGE OUTSIDE DIAMETER: 0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.5632 INCHES MINIMUM AND 0.5637 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.5632 INCHES MINIMUM AND 0.5637 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE 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

No substitute or cross-reference records for this part.

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 656680?
656680 is a BUSHING,SLEEVE.
What is the NSN for 656680?
656680 is cataloged in the U.S. Government catalog under NSN 3120-00-252-3534. 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.