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S4879 ✓ 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_width: 1.750 INCHES NOMINAL IN, body_height: 2.000 INCHES NOMINAL IN, body_length: 2.500 INCHES NOMINAL IN, inclosure_type: OPEN, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE 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 5950-00-683-7943, 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
S4879
NSN: 5950-00-683-7943
FSC: 5950
CAGE: 80223 — UNITED TRANSFORMER CORP SUB OF OPT INDUSTRIES INC (USA)
SPECIFICATIONS
body_width1.750 INCHES NOMINAL IN
body_height2.000 INCHES NOMINAL IN
body_length2.500 INCHES NOMINAL IN
pole_quantity1
inclosure_typeOPEN
throw_quantity6
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
special_featuresW/ INDICATORS
nominal_thread_size0.164 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch32 SINGLE GROUP
NSN5950-00-683-7943
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,RADIO FREQUENCY TRANSMISS TITLE COMPONENT PN S4879 MFR SWITCH,RADIO FREQUENCY
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
NOMINAL THREAD SIZE: 0.164 INCHES SINGLE GROUP IN
•
BODY HEIGHT: 2.000 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
•
MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP
•
BODY LENGTH: 2.500 INCHES NOMINAL IN
•
FREQUENCY RATING: 400.0 HERTZ NOMINAL SINGLE COMPONENT
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
NOMINAL THREAD SIZE0.164 INCHES SINGLE GROUP IN
BODY HEIGHT2.000 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
BODY LENGTH2.500 INCHES NOMINAL IN
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
WINDING OPERATING VOLTAGE115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
THREAD QUANTITY PER INCH32 SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
882T2Interchangeable
interchangeable cross-reference
interchangeable
117438HInterchangeable
interchangeable cross-reference
interchangeable
399798Interchangeable
interchangeable cross-reference
interchangeable
42279Interchangeable
interchangeable cross-reference
interchangeable
N79308284Interchangeable
interchangeable cross-reference
interchangeable
S-4879Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S4879?
S4879 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace S4879?
There are 8 known substitutes for S4879: 882T2, 117438H, 399798 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S4879?
S4879 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-683-7943. 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