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SM666 ✓ 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 MIXER,DOUBLY BALANCED is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 2.375 IN. LG,1.509 IN.

H,1.609 IN. W,TWO 0.140 IN. DIA HOLES SPACED 2.000 IN.

C TO C IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-034-6763, 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
SM666
NSN: 5985-01-034-6763
FSC: 5985
CAGE: 05375 — RF MICRO DEVICES, INC. (USA)
SPECIFICATIONS
general_characteristics_item_description2.375 IN. LG,1.509 IN. H,1.609 IN. W,TWO 0.140 IN. DIA HOLES SPACED 2.000 IN. C TO C IN
NSN5985-01-034-6763
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MIXER,DOUBLY BALANCED TITLE COMPONENT PN SM666 MFR MIXER,DOUBLY BALANCED
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 2.375 IN. LG,1.509 IN. H,1.609 IN. W,TWO 0.140 IN. DIA HOLES SPACED 2.000 IN. C TO C IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION2.375 IN. LG,1.509 IN. H,1.609 IN. W,TWO 0.140 IN. DIA HOLES SPACED 2.000 IN. C TO C IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
109216Interchangeable
interchangeable cross-reference
interchangeable
MS35354-124Interchangeable
interchangeable cross-reference
interchangeable
181-61Interchangeable
interchangeable cross-reference
interchangeable
43209Interchangeable
interchangeable cross-reference
interchangeable
109214Interchangeable
interchangeable cross-reference
interchangeable
7-07-260Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM666?
SM666 is a MIXER,DOUBLY BALANCED.
What parts can replace SM666?
There are 8 known substitutes for SM666: 109216, MS35354-124, 181-61 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM666?
SM666 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-034-6763. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026