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Technical Data Sheet
SS121 ✓ 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

The INTERCOMMUNICATION STATION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, inside_diameter: 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN, outside_diameter: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, overall_thickness: 0.015 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN, surface_treatment: PASSIVATE, material_document_and_classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-055-3739, 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
SS121
NSN: 3040-00-055-3739
FSC: 3040
CAGE: 23266 — SECS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303
inside_diameter0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
outside_diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
overall_thickness0.015 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationQQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE
NSN3040-00-055-3739
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INTERCOMMUNICATION STATION TITLE COMPONENT PN SS121 MFR INTERCOMMUNICATION STA
KEY FEATURES
FIRST END STYLE: PLAIN
FIRST END DIAMETER: 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
MATERIAL: STEEL COMP 303
SURFACE FINISH: 10.0 MICROINCHES
END SIMILARITY: IDENTICAL
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END STYLEPLAIN
FIRST END DIAMETER0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
OVERALL LENGTH1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN
MATERIALSTEEL COMP 303
SURFACE FINISH10.0 MICROINCHES
END SIMILARITYIDENTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
S417Interchangeable
interchangeable cross-reference
interchangeable
580KXH6Interchangeable
interchangeable cross-reference
interchangeable
1000071Interchangeable
interchangeable cross-reference
interchangeable
1302Interchangeable
interchangeable cross-reference
interchangeable
71NSInterchangeable
interchangeable cross-reference
interchangeable
FF-T-276Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS121?
SS121 is a INTERCOMMUNICATION STATION.
What parts can replace SS121?
There are 26 known substitutes for SS121: S417, 580KXH6, 1000071 and 23 more. Substitute compatibility should be verified for your specific system.
Is SS121 still available?
SS121 is currently cancelled.
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