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598763 — DRAWER ASSEMBLY,NAVIGATOR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

598763: DRAWER ASSEMBLY,NAVIGATOR.

The DRAWER ASSEMBLY,NAVIGATOR is a the manufacturer industrial component. Key specifications include end_item_identification: AIRCRAFT MODEL C135. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-054-3183, 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
598763
NSN: 3110-00-054-3183
NIINs: 000543183, 006782423
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT MODEL C135
NSN3110-00-054-3183
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 598763 · 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
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 200.0 MILLIMETERS NOMINAL MM
•
LOAD DIRECTION: ANGULAR
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
•
BORE DIAMETER: 130.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
STYLE DESIGNATORUNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH1.2800 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER200.0 MILLIMETERS NOMINAL MM
LOAD DIRECTIONANGULAR
SPECIAL FEATURESSPLIT INNER RING,ANGULARITY 21.0DEG MIN 28.0 DEG MAX
STANDARD TOLERANCE DESIGNATIONABEC NO.5
BORE DIAMETER130.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
SUBSTITUTES & CROSS-REFERENCES 4
432489Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
235538Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
438486Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
432490Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 598763?
598763 is a DRAWER ASSEMBLY,NAVIGATOR.
What parts can replace 598763?
There are 4 known substitutes for 598763: 432489, 235538, 438486 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 598763?
598763 is cataloged in the U.S. Government catalog under NSN 3110-00-054-3183. 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.