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41598D — TAPPET,ENGINE POPPET VALVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

41598D: TAPPET,ENGINE POPPET VALVE.

The TAPPET,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OUTER LAYER, corner_shape: SQUARE OUTSIDE RIGHT CORNER, overall_length: 2.0000 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.2520 INCHES MINIMUM AND 1.2560 INCHES MAXIMUM IN, body_outside_diameter: 1.3740 INCHES MINIMUM AND 1.3760 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-662-1382, 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
41598D
NSN: 3120-00-662-1382
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 0SAT8 — KOMATSU AMERICA CORP. (USA)
SPECIFICATIONS
materialSTEEL OUTER LAYER
corner_shapeSQUARE OUTSIDE RIGHT CORNER
overall_length2.0000 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.2520 INCHES MINIMUM AND 1.2560 INCHES MAXIMUM IN
body_outside_diameter1.3740 INCHES MINIMUM AND 1.3760 INCHES MAXIMUM IN
NSN3120-00-662-1382
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 41598D · 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
KEY FEATURES
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
BODY OUTSIDE DIAMETER: 1.3740 INCHES MINIMUM AND 1.3760 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 1.2520 INCHES MINIMUM AND 1.2560 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
BODY OUTSIDE DIAMETER1.3740 INCHES MINIMUM AND 1.3760 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH2.0000 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.2520 INCHES MINIMUM AND 1.2560 INCHES MAXIMUM IN
MATERIALSTEEL OUTER LAYER
MATERIALCOPPER ALLOY SAE 797 AND COPPER ALLOY INNER LAYER
SUBSTITUTES & CROSS-REFERENCES 1
135823Y30Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 41598D?
41598D is a TAPPET,ENGINE POPPET VALVE.
What parts can replace 41598D?
There is 1 known substitute for 41598D: 135823Y30. Substitute compatibility should be verified for your specific system.
What is the NSN for 41598D?
41598D is cataloged in the U.S. Government catalog under NSN 3120-00-662-1382. 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.