LITTON SYSTEMS INC ITEK OPTICAL SYSTEMS DIV · 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 PLATE,SWITCH AND CL is a LITTON SYSTEMS INC ITEK OPTICAL SYSTEMS DIV 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 6605-00-318-6003, 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
B21118
NSN:6605-00-318-6003 FSC:6605 CAGE:92208 — LITTON SYSTEMS INC ITEK OPTICAL SYSTEMS DIV (USA)
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FREQUENTLY ASKED QUESTIONS
What is B21118?
B21118 is a PLATE,SWITCH AND CL manufactured by LITTON SYSTEMS INC ITEK OPTICAL SYSTEMS DIV.
What parts can replace B21118?
There are 8 known substitutes for B21118: 62562, 62562A, L-73917 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B21118?
B21118 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6605-00-318-6003. This indicates validated use in U.S. government and defense supply chains.
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