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Technical Data Sheet
WIL1957 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include nondefinitive_spec/std_data: 6 CLASS AND II SIZE AND SL DESIGN AND K STYLE, criticality_code_justification: ZZZT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7110-01-726-7251, 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
WIL1957
NSN: 7110-01-726-7251
FSC: 7110
CAGE: 63682 — THE WILL-BURT COMPANY DIV FABRICATION (USA)
SPECIFICATIONS
nondefinitive_spec/std_data6 CLASS AND II SIZE AND SL DESIGN AND K STYLE
criticality_code_justificationZZZT
NSN7110-01-726-7251
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEMICONDUCTOR DEVICE,DIODE TITLE COMPONENT PN WIL1957 MFR SEMICONDUCTOR DEVICE,D
KEY FEATURES
CRITICALITY CODE JUSTIFICATION: ZZZT
NONDEFINITIVE SPEC/STD DATA: 6 CLASS AND II SIZE AND SL DESIGN AND K STYLE
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZT
NONDEFINITIVE SPEC/STD DATA6 CLASS AND II SIZE AND SL DESIGN AND K STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
5003Interchangeable
interchangeable cross-reference
interchangeable
1N4742AAInterchangeable
interchangeable cross-reference
interchangeable
1N4742AInterchangeable
interchangeable cross-reference
interchangeable
337349Interchangeable
interchangeable cross-reference
interchangeable
1503Interchangeable
interchangeable cross-reference
interchangeable
AA-F-358 CL6SZIIDESLSTKInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WIL1957?
WIL1957 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace WIL1957?
There are 7 known substitutes for WIL1957: 5003, 1N4742AA, 1N4742A and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WIL1957?
WIL1957 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7110-01-726-7251. This indicates validated use in U.S. government and defense supply chains.
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