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140458 — LADDER,VEHICLE BOARDING

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

140458: LADDER,VEHICLE BOARDING.

The LADDER,VEHICLE BOARDING is a the manufacturer industrial component. Key specifications include special_features: CAP 9;MCKT 17;PWB 1;RES 1, features_provided: ELECTROSTATIC SENSITIVE, end_item_identification: AN/AVQ-26 PAVE TACK POD, criticality_code_justification: CBBL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-5456, 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
MRO→ MRO_GENERAL→ 140458
NSN: 3110-00-156-5456
NIINs: 001565456, 009954451, 010722426, 016689135
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 76371 — MECHANICAL EQUIPMENT COMPANY, INC. DBA MECHANICAL EQUIPMENT CO INC (USA)
SPECIFICATIONS
special_featuresCAP 9;MCKT 17;PWB 1;RES 1
features_providedELECTROSTATIC SENSITIVE
end_item_identificationAN/AVQ-26 PAVE TACK POD
criticality_code_justificationCBBL
NSN3110-00-156-5456
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 140458 · 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
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 80.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
NONDEFINITIVE SPEC/STD DATA: 00 GRADE AND 146 TYPE
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH1.3750 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER80.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA00 GRADE AND 146 TYPE
CONTACT ANGLE25.0 DEGREES MAXIMUM
LOAD DIRECTIONANGULAR
SUBSTITUTES & CROSS-REFERENCES 8
5307MReference document
Same NSN cross-reference
Reference document — Secondary reference
5307X1NSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5307Reference document
Same NSN cross-reference
Reference document — Secondary reference
807-18Reference document
Same NSN cross-reference
Reference document — Secondary reference
M171Reference document
Same NSN cross-reference
Reference document — Secondary reference
6X8H21Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 140458?
140458 is a LADDER,VEHICLE BOARDING. It is classified as a MRO (MRO_GENERAL).
What parts can replace 140458?
There are 8 known substitutes for 140458: 5307M, 5307X1N, 5307 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 140458?
140458 is cataloged in the U.S. Government catalog under NSN 3110-00-156-5456. 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.