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PartsTable / COMPONENT / P1678
P1678 ✓ 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 TRANSFORMER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: STRIP, nut_width: 0.312 INCHES NOMINAL IN, face_width: 0.9840 INCHES NOMINAL IN, nut_length: 1.188 INCHES NOMINAL IN, overall_width: 1.453 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-591-7637, 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
P1678
NSN: 5950-00-591-7637
FSC: 5950
CAGE: 21937 — AMF GEO SPACE CORP SUB OF AMF INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSTRIP
nut_width0.312 INCHES NOMINAL IN
face_width0.9840 INCHES NOMINAL IN
nut_length1.188 INCHES NOMINAL IN
overall_width1.453 INCHES NOMINAL IN
overall_height0.812 INCHES NOMINAL IN
overall_length4.031 INCHES NOMINAL IN
outside_diameter2.04700 INCHES NOMINAL IN
special_featuresDIODE 32,LAMP 32,PRINTED WIRING BOARD 1
surface_treatmentPHOSPHATE OR PHOSPHATE MANGANESE OVERALL
material_thickness0.093 INCHES NOMINAL IN
NSN5950-00-591-7637
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER TITLE COMPONENT PN P1678 MFR TRANSFORMER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
5256-1Interchangeable
interchangeable cross-reference
interchangeable
SMB157240Interchangeable
interchangeable cross-reference
interchangeable
5256Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P1678?
P1678 is a TRANSFORMER.
What parts can replace P1678?
There are 3 known substitutes for P1678: 5256-1, SMB157240, 5256. Substitute compatibility should be verified for your specific system.
What is the NSN for P1678?
P1678 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-591-7637. 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