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Technical Data Sheet
PartsTable / COMPONENT / Z1957
Z1957 ✓ 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 SWITCH ASSEMBLY is a the manufacturer industrial component. Key specifications include switch_type: ROTARY, mounting_method: BRACKET(S), special_features: MANUFACTURER CLASSIFICATION:TUBE DUPLEXER; ENVELOPE MATERIAL:QUARTZ. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-285-0867, 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
Z1957
NSN: 5960-00-285-0867
FSC: 5960
CAGE: 24446 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
switch_typeROTARY
mounting_methodBRACKET(S)
special_featuresMANUFACTURER CLASSIFICATION:TUBE DUPLEXER; ENVELOPE MATERIAL:QUARTZ
NSN5960-00-285-0867
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH ASSEMBLY TITLE COMPONENT PN Z1957 MFR SWITCH ASSEMBLY
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMANUFACTURER CLASSIFICATION:TUBE DUPLEXER; ENVELOPE MATERIAL:QUARTZ
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
6619Interchangeable
interchangeable cross-reference
interchangeable
Z2940Interchangeable
interchangeable cross-reference
interchangeable
Z1957Interchangeable
interchangeable cross-reference
interchangeable
B6ES1-2X329Interchangeable
interchangeable cross-reference
interchangeable
BH6991-2X329Interchangeable
interchangeable cross-reference
interchangeable
B19081-1PC2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Z1957?
Z1957 is a SWITCH ASSEMBLY.
What parts can replace Z1957?
There are 12 known substitutes for Z1957: 6619, Z2940, Z1957 and 9 more. Substitute compatibility should be verified for your specific system.
Is Z1957 still available?
Z1957 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026