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D-3540 ITEM 63 — Technical Data Sheet

✓ Verified by PartsTable
— · 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

The SEAT,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OVERALL, bore_diameter: 30.00 MILLIMETERS NOMINAL MM, overall_width: 1.00 MILLIMETERS NOMINAL MM, outside_diameter: 47.00 MILLIMETERS NOMINAL MM, style_designator: FLAT RACE SURFACE, end_item_identification: HIAB CRANE HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK); 3990-01-442-1939 BAP (BRIDGE ADAPTER PALLET). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-01-121-5318, 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
D-3540 ITEM 63
NSN: 3110-01-121-5318
FSC: 3110
CAGE: 38355 — INDUSTRIAL RESISTANCE AND HEATINGCANADA LTD (CAN)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
bore_diameter30.00 MILLIMETERS NOMINAL MM
overall_width1.00 MILLIMETERS NOMINAL MM
outside_diameter47.00 MILLIMETERS NOMINAL MM
style_designatorFLAT RACE SURFACE
end_item_identificationHIAB CRANE HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK); 3990-01-442-1939 BAP (BRIDGE ADAPTER PALLET)
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN3110-01-121-5318
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: D-3540 ITEM 63 · OEM ⚠ 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
KEY FEATURES
•
BORE DIAMETER: 30.00 MILLIMETERS NOMINAL MM
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: FLAT RACE SURFACE
•
MATERIAL: STEEL COMP E52100 OVERALL
•
OUTSIDE DIAMETER: 47.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
BORE DIAMETER30.00 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONHIAB CRANE HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK); 3990-01-442-1939 BAP (BRIDGE ADAPTER PALLET)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORFLAT RACE SURFACE
MATERIALSTEEL COMP E52100 OVERALL
OUTSIDE DIAMETER47.00 MILLIMETERS NOMINAL MM
OVERALL WIDTH1.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
NW1922SJ (W/ NEOPRENE JKT)InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2026InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AA-1524InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
25483InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6505NCM116472InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NDC00093-7271-98InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D-3540 ITEM 63?
D-3540 ITEM 63 is a SEAT,BEARING.
What parts can replace D-3540 ITEM 63?
There are 7 known substitutes for D-3540 ITEM 63: NW1922SJ (W/ NEOPRENE JKT), 2026, AA-1524 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D-3540 ITEM 63?
D-3540 ITEM 63 is cataloged in the Federal Logistics Information System under NSN 3110-01-121-5318. 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: October 2026