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PartsTable / COMPONENT / 195581-1
195581-1 ✓ 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

CONVERTER,TELEGRAPH-TELEPHONE SI. Key specifications include signal_type: RING DOWN, overall_depth: 7.000 INCHES NOMINAL IN, overall_width: 19.000 INCHES NOMINAL IN, overall_height: 1.750 INCHES NOMINAL IN, end_item_identification: MILSTAR TERMINAL REMOTE, switchboard_side_current_type: DC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5990-00-440-0335, 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
195581-1
NSN: 5990-00-440-0335
FSC: 5990
CAGE: 37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
signal_typeRING DOWN
overall_depth7.000 INCHES NOMINAL IN
overall_width19.000 INCHES NOMINAL IN
overall_height1.750 INCHES NOMINAL IN
end_item_identificationMILSTAR TERMINAL REMOTE
switchboard_side_current_typeDC
communication_circuit_quantity4
received_line_signal_frequency_rating2500.00 HERTZ MINIMUM AND 2700.0 HERTZ MAXIMUM
transmitted_line_signal_frequency_rating2590.0 HERTZ MINIMUM AND 2610.0 HERTZ MAXIMUM
NSN5990-00-440-0335
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONVERTER,TELEGRAPH-TELEPHONE SI TITLE COMPONENT PN 195581-1 MFR CONVERTER,TELEGRAPH-TE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
4005-0002Interchangeable
interchangeable cross-reference
interchangeable
3000-6606Interchangeable
interchangeable cross-reference
interchangeable
SP15-2Interchangeable
interchangeable cross-reference
interchangeable
22FT1032Interchangeable
interchangeable cross-reference
interchangeable
859600Interchangeable
interchangeable cross-reference
interchangeable
10608386-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 195581-1?
195581-1 is a CONVERTER,TELEGRAPH-TELEPHONE SI.
What parts can replace 195581-1?
There are 18 known substitutes for 195581-1: 4005-0002, 3000-6606, SP15-2 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 195581-1?
195581-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5990-00-440-0335. 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