D398TA-ARR 5N7277 — ENGINE,DIESEL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

D398TA-ARR 5N7277: ENGINE,DIESEL.

The ENGINE,DIESEL is a the manufacturer industrial component. Key specifications include stroke_length: 8.000 INCHES IN, starting_method: AIR, cylinder_quantity: 12, piston_action_type: SINGLE ACTING, cylinder_arrangement: SINGLE V-TYPE, standard_bore_diameter: 6.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-01-258-4308, 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

D398TA-ARR 5N7277

NSN: 2815-01-258-4308
FSC: 2815 — Diesel Engines and Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)

SPECIFICATIONS

stroke_length	8.000 INCHES IN
starting_method	AIR
cylinder_quantity	12
strokes_per_cycle	4
piston_action_type	SINGLE ACTING
cylinder_arrangement	SINGLE V-TYPE
standard_bore_diameter	6.250 INCHES IN
crankshaft_rotation_direction	COUNTERCLOCKWISE
main_power_takeoff_rotation_direction	COUNTERCLOCKWISE
NSN	2815-01-258-4308

COMPONENT DIAGRAM

KEY FEATURES

•

STROKES PER CYCLE: 4

•

MAIN POWER TAKEOFF ROTATION DIRECTION: COUNTERCLOCKWISE

•

CRANKSHAFT ROTATION DIRECTION: COUNTERCLOCKWISE

•

PISTON ACTION TYPE: SINGLE ACTING

•

STARTING METHOD: AIR

•

CYLINDER QUANTITY: 12

•

CYLINDER ARRANGEMENT: SINGLE V-TYPE

TECHNICAL CHARACTERISTICS

STROKES PER CYCLE	4
MAIN POWER TAKEOFF ROTATION DIRECTION	COUNTERCLOCKWISE
CRANKSHAFT ROTATION DIRECTION	COUNTERCLOCKWISE
PISTON ACTION TYPE	SINGLE ACTING
STARTING METHOD	AIR
SPECIAL FEATURES	GOVERNOR IS A WOODWARD EG3P 2301 OR EQUAL. AIR STARTING SYSTEM HAS VAPOR ARRESTOR AND AIR SILENCER. ENGINE IS EQUIPPED WITH 120 VOLT JACKET WATER HEATERS. PRECOMBUSTION CHAMBERS AND AFTER COOLED. APPLICABLE TO T-AG0S 1-12 CLASS SHIP
CYLINDER QUANTITY	12
CYLINDER ARRANGEMENT	SINGLE V-TYPE
STANDARD BORE DIAMETER	6.250 INCHES IN
STROKE LENGTH	8.000 INCHES IN

OTHER ITEMS IN FSC 2815 — Diesel Engines and Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2815-00-000-0075 2815-00-001-0022 2815-00-001-3475 2815-00-001-7728 2815-00-001-7737 2815-00-001-7805 2815-00-001-7806 2815-00-001-7813

SUBSTITUTES & CROSS-REFERENCES 1

D398BPCTA-ARR 5N7277Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is D398TA-ARR 5N7277?

D398TA-ARR 5N7277 is a ENGINE,DIESEL.

What parts can replace D398TA-ARR 5N7277?

There is 1 known substitute for D398TA-ARR 5N7277: D398BPCTA-ARR 5N7277. Substitute compatibility should be verified for your specific system.

What is the NSN for D398TA-ARR 5N7277?

D398TA-ARR 5N7277 is cataloged in the U.S. Government catalog under NSN 2815-01-258-4308. This indicates validated use in U.S. government and defense supply chains.

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D398TA-ARR 5N7277 — ENGINE,DIESEL

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