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6890320 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

6890320: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304L OR STEEL COMP 304 OVERALL, corner_shape: CHAMFERED INSIDE RIGHT CORNER, overall_length: 1.0250 INCHES MINIMUM AND 1.0350 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES RIGHT END SURFACE OF BODY, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END, body_inside_diameter: 1.0520 INCHES MINIMUM AND 1.0550 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-005-1327, 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
6890320
NSN: 3120-01-005-1327
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 63005 — ROLLS-ROYCE CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 304L OR STEEL COMP 304 OVERALL
corner_shapeCHAMFERED INSIDE RIGHT CORNER
overall_length1.0250 INCHES MINIMUM AND 1.0350 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES RIGHT END SURFACE OF BODY
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END
body_inside_diameter1.0520 INCHES MINIMUM AND 1.0550 INCHES MAXIMUM IN
body_outside_diameter1.1750 INCHES MINIMUM AND 1.1754 INCHES MAXIMUM IN
left_internal_flange_width0.0350 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
left_internal_flange_hole_diameter0.8800 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN
material_document_and_classificationAMS 5647 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5560 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-005-1327
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 6890320 · 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
•
LEFT INTERNAL FLANGE WIDTH: 0.0350 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
•
SURFACE FINISH: 63.0 MICROINCHES RIGHT END SURFACE OF BODY
•
LEFT INTERNAL FLANGE HOLE DIAMETER: 0.8800 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE OUTSIDE RIGHT CORNER
TECHNICAL CHARACTERISTICS
LEFT INTERNAL FLANGE WIDTH0.0350 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
SURFACE FINISH63.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES LEFT END SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
LEFT INTERNAL FLANGE HOLE DIAMETER0.8800 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
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 6890320?
6890320 is a BUSHING,SLEEVE.
What is the NSN for 6890320?
6890320 is cataloged in the U.S. Government catalog under NSN 3120-01-005-1327. 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.