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Technical Data Sheet
PartsTable / MRO / 280191
280191 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 SWITCH,TELEPHONE,SELECTOR is a the manufacturer industrial component. Key specifications include end_item_identification: CONVERTER GROUP,SIGNAL DATA OU-178/TCC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5955-00-368-5030, 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
MRO→ MRO_GENERAL→ 280191
NSN: 5955-00-368-5030
FSC: 5955
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
end_item_identificationCONVERTER GROUP,SIGNAL DATA OU-178/TCC
NSN5955-00-368-5030
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,TELEPHONE,SELECTOR TITLE COMPONENT PN 280191 MFR SWITCH,TELEPHONE,SELEC
KEY FEATURES
•
BODY LENGTH: 2.000 INCHES NOMINAL IN
•
MODE OF OSCILLATION: FUNDAMENTAL
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: 0.486 INCHES NOMINAL IN
•
OPERATING TEMP RANGE: -30.0 TO 55.0 CELSIUS DEGC
•
TERMINAL DIAMETER: 0.093 INCHES NOMINAL IN
•
SPECIFIED FREQUENCY: 100.800 KILOHERTZ
•
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: -0.010 TO 0.010
•
STYLE DESIGNATOR: ROUND BODY, PIN TERMINALS
TECHNICAL CHARACTERISTICS (FLIS)
BODY LENGTH2.000 INCHES NOMINAL IN
MODE OF OSCILLATIONFUNDAMENTAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS0.486 INCHES NOMINAL IN
OPERATING TEMP RANGE-30.0 TO 55.0 CELSIUS DEGC
TERMINAL DIAMETER0.093 INCHES NOMINAL IN
SPECIFIED FREQUENCY100.800 KILOHERTZ
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT-0.010 TO 0.010
STYLE DESIGNATORROUND BODY, PIN TERMINALS
OVERALL DIAMETER1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
280191Interchangeable
interchangeable cross-reference
interchangeable
40427Interchangeable
interchangeable cross-reference
interchangeable
SM-D-357353Interchangeable
interchangeable cross-reference
interchangeable
K6156Interchangeable
interchangeable cross-reference
interchangeable
3313Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 280191?
280191 is a SWITCH,TELEPHONE,SELECTOR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 280191?
There are 5 known substitutes for 280191: 280191, 40427, SM-D-357353 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 280191?
280191 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5955-00-368-5030. 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