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Technical Data Sheet
PartsTable / COMPONENT / SM-3-B
SM-3-B ✓ 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

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include body_style: IRREGULAR, overall_width: 2.500 INCHES NOMINAL IN, overall_height: 2.500 INCHES NOMINAL IN, overall_length: 2.880 INCHES NOMINAL IN, frequency_rating: 12.4 GIGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING, connector_end_design: MALE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-01-042-4840, 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
SM-3-B
NSN: 3455-01-042-4840
FSC: 3455
CAGE: 64700 — KENNAMETAL INC. (USA)
SPECIFICATIONS
body_styleIRREGULAR
overall_width2.500 INCHES NOMINAL IN
overall_height2.500 INCHES NOMINAL IN
overall_length2.880 INCHES NOMINAL IN
frequency_rating12.4 GIGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING
connector_end_designMALE
end_item_identificationMISC. PARTS ELECTRICAL FOR CVN 0069
actuator_operating_methodMANUAL
switch_operation_sequenceBREAKS BEFORE MAKES
coupling_position_quantity7
insertion_loss_in_decibels0.60 SINGLE
terminal_type_and_quantity7 RECEPTACLE, COAXIAL
NSN3455-01-042-4840
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,RADIO FREQUENCY TRANSMISS TITLE COMPONENT PN SM-3-B MFR SWITCH,RADIO FREQUENCY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
SM3MInterchangeable
interchangeable cross-reference
interchangeable
697319-4Interchangeable
interchangeable cross-reference
interchangeable
BS5-1758PC89-0SInterchangeable
interchangeable cross-reference
interchangeable
SM3Interchangeable
interchangeable cross-reference
interchangeable
BS5-1190PC89-0SInterchangeable
interchangeable cross-reference
interchangeable
158896Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-3-B?
SM-3-B is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace SM-3-B?
There are 24 known substitutes for SM-3-B: SM3M, 697319-4, BS5-1758PC89-0S and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-3-B?
SM-3-B is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-01-042-4840. 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