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Technical Data Sheet
PartsTable / COMPONENT / D304726-10
D304726-10 ✓ 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 LEAD ASSEMBLY,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_style: SPRING END,PLAIN LUBRICATION FITTINGS, coil_quantity: 14, stock_diameter: 0.040 INCHES NOMINAL IN, inside_diameter: 0.670 INCHES NOMINAL IN, style_designator: CYLINDRICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-283-1793, 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
D304726-10
NSN: 3120-00-283-1793
FSC: 3120
CAGE: 16603 — CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION DIV WESTECH HEAVY MACHINERY DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_styleSPRING END,PLAIN LUBRICATION FITTINGS
coil_quantity14
stock_diameter0.040 INCHES NOMINAL IN
inside_diameter0.670 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentPASSIVATE OVERALL
spring_free_length2.500 INCHES NOMINAL IN
spring_solid_length0.600 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_deflection_rate0.750 POUNDS PER INCH NOMINAL LBS
end_item_identificationLADDER,ACCOMMODATION,ASSEMBLY,DOOR LOCK
NSN3120-00-283-1793
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: D304726-10 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
FL1028Interchangeable
interchangeable cross-reference
interchangeable
177685Interchangeable
interchangeable cross-reference
interchangeable
177685-1Interchangeable
interchangeable cross-reference
interchangeable
20740074Interchangeable
interchangeable cross-reference
interchangeable
RR-53Interchangeable
interchangeable cross-reference
interchangeable
20740074 FIND 25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D304726-10?
D304726-10 is a LEAD ASSEMBLY,ELECTRICAL.
What parts can replace D304726-10?
There are 8 known substitutes for D304726-10: FL1028, 177685, 177685-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D304726-10?
D304726-10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-283-1793. 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