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PartsTable / COMPONENT / A34990DX
A34990DX ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The TAPPET,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, pin_fastening_method: COTTER PIN, first_chain_link_style: ROLLER, nominal_pitch_distance: 0.750 INCHES IN, second_chain_link_style: PIN, minimum_tensile_strength: 28200 POUNDS PER SQUARE INCH LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-252-7352, 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
A34990DX
NSN: 3020-00-252-7352
FSC: 3020
CAGE: 59690 — KOEHRING CO LORAIN DIV (USA)
SPECIFICATIONS
materialSTEEL
link_row_quantity4
pin_fastening_methodCOTTER PIN
first_chain_link_styleROLLER
nominal_pitch_distance0.750 INCHES IN
second_chain_link_stylePIN
minimum_tensile_strength28200 POUNDS PER SQUARE INCH LBS
first_chain_link_plate_width0.712 INCHES NOMINAL IN
second_chain_link_plate_width0.615 INCHES NOMINAL IN
second_chain_link_pin_nominal_diameter0.2340 INCHES IN
first_chain_link_plate_nominal_thickness0.0940 INCHES IN
first_chain_link_roller_nominal_diameter0.4690 INCHES IN
NSN3020-00-252-7352
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TAPPET,ENGINE POPPET VALVE TITLE COMPONENT PN A34990DX MFR TAPPET,ENGINE POPPET V
KEY FEATURES
•
SECOND CHAIN LINK PLATE WIDTH: 0.615 INCHES NOMINAL IN
•
SECOND CHAIN LINK NOMINAL WIDTH BETWEEN PLATES: 0.6880 INCHES IN
•
NOMINAL PITCH DISTANCE: 0.750 INCHES IN
•
FIRST CHAIN LINK PLATE WIDTH: 0.712 INCHES NOMINAL IN
•
SECOND CHAIN LINK PIN NOMINAL DIAMETER: 0.2340 INCHES IN
•
FIRST CHAIN LINK ROLLER NOMINAL DIAMETER: 0.4690 INCHES IN
•
FIRST CHAIN LINK PLATE NOMINAL THICKNESS: 0.0940 INCHES IN
•
PIN FASTENING METHOD: COTTER PIN
TECHNICAL CHARACTERISTICS (FLIS)
SECOND CHAIN LINK PLATE WIDTH0.615 INCHES NOMINAL IN
SECOND CHAIN LINK NOMINAL WIDTH BETWEEN PLATES0.6880 INCHES IN
NOMINAL PITCH DISTANCE0.750 INCHES IN
FIRST CHAIN LINK PLATE WIDTH0.712 INCHES NOMINAL IN
SECOND CHAIN LINK PIN NOMINAL DIAMETER0.2340 INCHES IN
FIRST CHAIN LINK ROLLER NOMINAL DIAMETER0.4690 INCHES IN
FIRST CHAIN LINK PLATE NOMINAL THICKNESS0.0940 INCHES IN
PIN FASTENING METHODCOTTER PIN
FIRST CHAIN LINK NOMINAL WIDTH BETWEEN PLATES0.5000 INCHES IN
SECOND CHAIN LINK PLATE NOMINAL THICKNESS0.0940 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
F60Interchangeable
interchangeable cross-reference
interchangeable
F58AS1Interchangeable
interchangeable cross-reference
interchangeable
ABDPFR184-2HPInterchangeable
interchangeable cross-reference
interchangeable
SC184FC5-5SCInterchangeable
interchangeable cross-reference
interchangeable
184DC1582BBInterchangeable
interchangeable cross-reference
interchangeable
R851PC19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A34990DX?
A34990DX is a TAPPET,ENGINE POPPET VALVE.
What parts can replace A34990DX?
There are 19 known substitutes for A34990DX: F60, F58AS1, ABDPFR184-2HP and 16 more. Substitute compatibility should be verified for your specific system.
Is A34990DX still available?
A34990DX is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026