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Technical Data Sheet
PartsTable / COMPONENT / HM40817
HM40817 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 2.4687 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.6880 INCHES MINIMUM AND 0.6890 INCHES MAXIMUM IN, body_outside_diameter: 0.8760 INCHES MINIMUM AND 0.8770 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-661-4951, 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
HM40817
NSN: 3120-00-661-4951
FSC: 3120
CAGE: 53660 — HOFFERT MARINE INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length2.4687 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.6880 INCHES MINIMUM AND 0.6890 INCHES MAXIMUM IN
body_outside_diameter0.8760 INCHES MINIMUM AND 0.8770 INCHES MAXIMUM IN
NSN3120-00-661-4951
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: HM40817 · 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
•
MATERIAL: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 0.6880 INCHES MINIMUM AND 0.6890 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.8760 INCHES MINIMUM AND 0.8770 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE ALL CORNERS
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
BODY INSIDE DIAMETER0.6880 INCHES MINIMUM AND 0.6890 INCHES MAXIMUM IN
OVERALL LENGTH2.4687 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.8760 INCHES MINIMUM AND 0.8770 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
94238Interchangeable
interchangeable cross-reference
interchangeable
40817Interchangeable
interchangeable cross-reference
interchangeable
SM-C-542096Interchangeable
interchangeable cross-reference
interchangeable
MTC-542096Interchangeable
interchangeable cross-reference
interchangeable
44785-0Interchangeable
interchangeable cross-reference
interchangeable
44785Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HM40817?
HM40817 is a BUSHING,SLEEVE.
What parts can replace HM40817?
There are 13 known substitutes for HM40817: 94238, 40817, SM-C-542096 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HM40817?
HM40817 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-661-4951. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026