The 3866A521 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 2520-00-752-1684, 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
3866A521
NSN:2520-00-752-1684 FSC:2520 — Vehicular Power Transmission Components CAGE:78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
general_characteristics_item_description
IRON CASTING,QQ-I-666 GRADE 2,IRON CASTING SAE 32510,7.000 IN. DIA,1.187 IN. HEIGHT,6 MOUNTING HOLES,0.531 IN. DIA,5.750 IN. DIA BOLT CIRCLE IN
NSN
2520-00-752-1684
COMPONENT DIAGRAM
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: IRON CASTING,QQ-I-666 GRADE 2,IRON CASTING SAE 32510,7.000 IN. DIA,1.187 IN. HEIGHT,6 MOUNTING HOLES,0.531 IN. DIA,5.750 IN. DIA BOLT CIRCLE IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION
IRON CASTING,QQ-I-666 GRADE 2,IRON CASTING SAE 32510,7.000 IN. DIA,1.187 IN. HEIGHT,6 MOUNTING HOLES,0.531 IN. DIA,5.750 IN. DIA BOLT CIRCLE IN
OTHER ITEMS IN FSC 2520 — Vehicular Power Transmission Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 3866A521?
3866A521 is a 3866A521.
What parts can replace 3866A521?
There are 4 known substitutes for 3866A521: 913749, 2659D5, 2520007521684 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3866A521?
3866A521 is cataloged in the U.S. Government catalog under NSN 2520-00-752-1684. This indicates validated use in U.S. government and defense supply chains.
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