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Technical Data Sheet
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SM-C-157656 — Technical Data Sheet

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— · 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include end_item_identification: TELETYPE AND FACSIMILE EQUIP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3040-00-393-1919, 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
SM-C-157656
NSN: 3040-00-393-1919
FSC: 3040
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
special_featuresO/A DIA 1.250 IN.;1 SHAFT;1 CAM ASY;1 DOWEL PIN;ASSY TREATED W/MELCOTE NUMBER 42 XL;FINISH PER SPEC MIL-F-14072;HEAT TREATED TO ROCKWELL C 60-62 IN
end_item_identificationTELETYPE AND FACSIMILE EQUIP
NSN3040-00-393-1919
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,PLUG-IN ELECTRONIC COMPON TITLE COMPONENT PN SM-C-157656 MFR SOCKET,PLUG-IN ELECTRO
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONTELETYPE AND FACSIMILE EQUIP
SPECIAL FEATURESO/A DIA 1.250 IN.;1 SHAFT;1 CAM ASY;1 DOWEL PIN;ASSY TREATED W/MELCOTE NUMBER 42 XL;FINISH PER SPEC MIL-F-14072;HEAT TREATED TO ROCKWELL C 60-62 IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
11897InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
54A11897InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
N522InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2C7InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
16A30InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
13043-24-50-0035InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-C-157656?
SM-C-157656 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace SM-C-157656?
There are 8 known substitutes for SM-C-157656: 11897, 54A11897, N522 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-C-157656?
SM-C-157656 is cataloged in the Federal Logistics Information System under NSN 3040-00-393-1919. 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: October 2026