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AT68-201DHS — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

AT68-201DHS: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OUTER LAYER, corner_shape: SQUARE OUTSIDE RIGHT CORNER, overall_length: 1.4900 INCHES MINIMUM AND 1.5100 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 4.2515 INCHES MINIMUM AND 4.2540 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-982-0804, 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
AT68-201DHS
NSN: 3120-00-982-0804
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 15860 — NEW HAMPSHIRE BALL BEARINGS INC DIV ASTRO DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OUTER LAYER
corner_shapeSQUARE OUTSIDE RIGHT CORNER
overall_length1.4900 INCHES MINIMUM AND 1.5100 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES OVERALL
special_featuresGAP OF 0.030 IN. PERMITTED AT BUTT LINE OF POLYTETRAFLUOROETHYLENE FABRIC,COMPATIBLE W/MIL-J-5624 GRADE JP-4,MIL-L-7808 LUBRICATING OIL,MIL-H-5606 HYDRAULIC FLUID AND MIL-A-8243 ANTI-ICING FLUID IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter4.2515 INCHES MINIMUM AND 4.2540 INCHES MAXIMUM IN
body_outside_diameter4.5025 INCHES MINIMUM AND 4.5030 INCHES MAXIMUM IN
NSN3120-00-982-0804
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: AT68-201DHS · 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: 63.0 MICROINCHES OVERALL
•
CORNER SHAPE: CHAMFERED INSIDE LEFT CORNER
•
BODY OUTSIDE DIAMETER: 4.5025 INCHES MINIMUM AND 4.5030 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OVERALL
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
BODY OUTSIDE DIAMETER4.5025 INCHES MINIMUM AND 4.5030 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.4900 INCHES MINIMUM AND 1.5100 INCHES MAXIMUM IN
BODY INSIDE DIAMETER4.2515 INCHES MINIMUM AND 4.2540 INCHES MAXIMUM IN
SPECIAL FEATURESGAP OF 0.030 IN. PERMITTED AT BUTT LINE OF POLYTETRAFLUOROETHYLENE FABRIC,COMPATIBLE W/MIL-J-5624 GRADE JP-4,MIL-L-7808 LUBRICATING OIL,MIL-H-5606 HYDRAULIC FLUID AND MIL-A-8243 ANTI-ICING FLUID IN
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 3
540-011-110-13Reference document
Same NSN cross-reference
Reference document — Secondary reference
YTS500AReference document
Same NSN cross-reference
Reference document — Secondary reference
540-011-110-013Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AT68-201DHS?
AT68-201DHS is a BEARING,SLEEVE.
What parts can replace AT68-201DHS?
There are 3 known substitutes for AT68-201DHS: 540-011-110-13, YTS500A, 540-011-110-013. Substitute compatibility should be verified for your specific system.
What is the NSN for AT68-201DHS?
AT68-201DHS is cataloged in the U.S. Government catalog under NSN 3120-00-982-0804. 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.