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3J6659 — CYLINDER ASSEMBLY HEAD

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3J6659: CYLINDER ASSEMBLY HEAD.

The CYLINDER ASSEMBLY HEAD is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 2530-00-427-3603, 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
3J6659
NSN: 2530-00-427-3603
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSIST OF 1 HEAD ASSEMBLY P/N 3J6664,1 COVER P/N 2K159,1 GASKET P/N 2D94,4 MACHINE SCREWS P/N 3H1591,4 BOLTS P/N 7H2069,1 COVER P/N 2K3728,1 GASKET P/N 2K3729,1 TUBE ASSEMBLY P/N 3J6658
NSN2530-00-427-3603
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY HEAD TITLE COMPONENT PN 3J6659 MFR CYLINDER ASSEMBLY HEAD
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSIST OF 1 HEAD ASSEMBLY P/N 3J6664,1 COVER P/N 2K159,1 GASKET P/N 2D94,4 MACHINE SCREWS P/N 3H1591,4 BOLTS P/N 7H2069,1 COVER P/N 2K3728,1 GASKET P/N 2K3729,1 TUBE ASSEMBLY P/N 3J6658
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSIST OF 1 HEAD ASSEMBLY P/N 3J6664,1 COVER P/N 2K159,1 GASKET P/N 2D94,4 MACHINE SCREWS P/N 3H1591,4 BOLTS P/N 7H2069,1 COVER P/N 2K3728,1 GASKET P/N 2K3729,1 TUBE ASSEMBLY P/N 3J6658
OTHER ITEMS IN FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2530-00-001-0012 2530-00-001-0035 2530-00-001-2633 2530-00-001-3371 2530-00-001-3390 2530-00-001-3393 2530-00-001-3426 2530-00-001-3427
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3J6659?
3J6659 is a CYLINDER ASSEMBLY HEAD.
What is the NSN for 3J6659?
3J6659 is cataloged in the U.S. Government catalog under NSN 2530-00-427-3603. 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.