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 SHAFT ASSEMBLY,ROCK is a AEROSONIC LLC industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6610-00-070-0012, 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.
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FREQUENTLY ASKED QUESTIONS
What is A21153?
A21153 is a SHAFT ASSEMBLY,ROCK manufactured by AEROSONIC LLC.
What parts can replace A21153?
There are 15 known substitutes for A21153: MC74153P, 74153N1, SN74153N and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A21153?
A21153 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6610-00-070-0012. This indicates validated use in U.S. government and defense supply chains.
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