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7T9957 ✓ 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

CAPACITOR,FIXED,PLASTIC DIELECTR. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN, fastener_length: 5.406 INCHES MINIMUM AND 5.500 INCHES MAXIMUM 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 5940-01-285-5153, 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
7T9957
NSN: 5940-01-285-5153
FSC: 5940
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
thread_class2A A
thread_length1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
fastener_length5.406 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
minimum_yield_strength85000 POUNDS PER SQUARE INCH LBS
nominal_thread_diameter0.500 INCHES IN
NSN5940-01-285-5153
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN 7T9957 MFR CAPACITOR,FIXED,PLASTI
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
0105-5330Interchangeable
interchangeable cross-reference
interchangeable
403504Interchangeable
interchangeable cross-reference
interchangeable
5305007168156Interchangeable
interchangeable cross-reference
interchangeable
44477-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7T9957?
7T9957 is a CAPACITOR,FIXED,PLASTIC DIELECTR.
What parts can replace 7T9957?
There are 4 known substitutes for 7T9957: 0105-5330, 403504, 5305007168156 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7T9957?
7T9957 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-01-285-5153. 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