PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 593
593 ✓ Verified by PartsTable
Melissa & Doug · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

Keep your trunk clutter-free by putting your front wheels safely on your roof. Key specifications include material: STEEL CORROSION RESISTING SIDE RAIL, side_rail_length: 45.0 INCHES NOMINAL IN, crosspiece_length: 7.25 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: CABLE LADDER, 45. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0646, 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
593
NSN: 3110-00-100-0646
FSC: 3110
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SIDE RAIL
side_rail_length45.0 INCHES NOMINAL IN
special_featuresWEIGHT 23.4 POUNDS; LOAD LIMIT RUNG SLIPPAGE OCCURS AT OVER 1,500 LBS; CABLE MATERIAL CABLE: 316 STAINLESS STEEL; RUNG MATERIAL GRADE 2 TITANIUM 18-GAUGE; TITANIUM COMPRESSION INSERTS. LBS
crosspiece_length7.25 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyCABLE LADDER, 45
NSN3110-00-100-0646
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 593 · Melissa & Doug ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
21504Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-831Interchangeable
interchangeable cross-reference
interchangeable
71504Interchangeable
interchangeable cross-reference
interchangeable
330C838H03Interchangeable
interchangeable cross-reference
interchangeable
18Interchangeable
interchangeable cross-reference
interchangeable
1JA7516-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 593?
593 is a LADDER,AIRCRAFT BOARDING manufactured by Melissa & Doug.
What parts can replace 593?
There are 28 known substitutes for 593: 21504, GGG-P-831, 71504 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 593?
593 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0646. 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