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PartsTable / COMPONENT / RFB3158
RFB3158 ✓ 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: RECTANGULAR, switch_type: NONTRANSFER, overall_width: 1.320 INCHES MAXIMUM IN, overall_height: 0.455 INCHES MAXIMUM IN, overall_length: 1.350 INCHES MAXIMUM IN, special_features: THREE RG-196B/U CABLE ASSY 12.000 IN. LG SUPPLIED 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 5985-00-491-4338, 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
RFB3158
NSN: 5985-00-491-4338
FSC: 5985
CAGE: 02289 — HI-G CO INC SUB OF NYTRONICS INC (USA)
SPECIFICATIONS
body_styleRECTANGULAR
switch_typeNONTRANSFER
overall_width1.320 INCHES MAXIMUM IN
pole_quantity1
overall_height0.455 INCHES MAXIMUM IN
overall_length1.350 INCHES MAXIMUM IN
throw_quantity2
special_featuresTHREE RG-196B/U CABLE ASSY 12.000 IN. LG SUPPLIED IN
connector_end_designFEMALE
operating_temp_range-54.0 TO 95.0 CELSIUS DEGC
actuator_voltage_in_volts26.5 NOMINAL
rf_maximum_voltage_rating1.0 KILOVOLTS RMS
NSN5985-00-491-4338
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,RADIO FREQUENCY TRANSMISS TITLE COMPONENT PN RFB3158 MFR SWITCH,RADIO FREQUENCY
KEY FEATURES
•
SWITCH TYPE: NONTRANSFER
•
BODY STYLE: RECTANGULAR
•
RF MAXIMUM VOLTAGE RATING: 1.0 KILOVOLTS RMS
•
COAXIAL CONNECTOR SERIES DESIGNATION: SMA
TECHNICAL CHARACTERISTICS (FLIS)
SWITCH TYPENONTRANSFER
BODY STYLERECTANGULAR
RF MAXIMUM VOLTAGE RATING1.0 KILOVOLTS RMS
OVERALL HEIGHT0.455 INCHES MAXIMUM IN
OVERALL WIDTH1.320 INCHES MAXIMUM IN
OVERALL LENGTH1.350 INCHES MAXIMUM IN
SPECIAL FEATURESTHREE RG-196B/U CABLE ASSY 12.000 IN. LG SUPPLIED IN
COAXIAL CONNECTOR SERIES DESIGNATIONSMA
SWITCH OPERATION SEQUENCEMAKES BEFORE BREAKS
POLE QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
3158Interchangeable
interchangeable cross-reference
interchangeable
49483Interchangeable
interchangeable cross-reference
interchangeable
SL4973PC47Interchangeable
interchangeable cross-reference
interchangeable
WW9481225PC86Interchangeable
interchangeable cross-reference
interchangeable
114-056-0002Interchangeable
interchangeable cross-reference
interchangeable
031-0058Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RFB3158?
RFB3158 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace RFB3158?
There are 13 known substitutes for RFB3158: 3158, 49483, SL4973PC47 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RFB3158?
RFB3158 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-491-4338. 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