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Technical Data Sheet
K40A5T3511 ✓ 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,VARIABLE,AIR DIELECTRI. Key specifications include length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT, material: ALUMINUM ALLOY 2024, leg_thickness: 0.050 INCHES NOMINAL IN, heat_treatment: T-3511 SOLUTION HEAT TREATED, overall_height: 1.250 INCHES NOMINAL IN, first_tip_style: FULL RADIUS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9540-01-071-6547, 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
K40A5T3511
NSN: 9540-01-071-6547
FSC: 9540
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
materialALUMINUM ALLOY 2024
leg_thickness0.050 INCHES NOMINAL IN
heat_treatmentT-3511 SOLUTION HEAT TREATED
overall_height1.250 INCHES NOMINAL IN
first_tip_styleFULL RADIUS
first_tip_radius0.026 INCHES NOMINAL IN
top_flange_width1.250 INCHES NOMINAL IN
basic_shape_styleT SHAPE
fabrication_methodEXTRUDED
left_top_inside_angle90.0 DEGREES NOMINAL
right_top_inside_angle90.0 DEGREES NOMINAL
NSN9540-01-071-6547
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN K40A5T3511 MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
THIRD TIP RELATIONSHIP TO PRECEDING TIPS: IDENTICAL W/FIRST TIP
FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG: 0.094 INCHES NOMINAL IN
LEFT TOP INSIDE ANGLE: 90.0 DEGREES NOMINAL
BASIC SHAPE STYLE: T SHAPE
LEFT SIDE TOP FLANGE THICKNESS: 0.050 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE
SPECIFICATION/STANDARD DATA: 81755-K40 MANUFACTURERS STANDARD
NONDEFINITIVE SPEC/STD DATA: T3511 TEMPER
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
TECHNICAL CHARACTERISTICS (FLIS)
THIRD TIP RELATIONSHIP TO PRECEDING TIPSIDENTICAL W/FIRST TIP
FILLET RADIUS WHERE TOP RIGHT FLANGE JOINS WEB FLANGE/LEG0.094 INCHES NOMINAL IN
LEFT TOP INSIDE ANGLE90.0 DEGREES NOMINAL
BASIC SHAPE STYLET SHAPE
LEFT SIDE TOP FLANGE THICKNESS0.050 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE
SPECIFICATION/STANDARD DATA81755-K40 MANUFACTURERS STANDARD
NONDEFINITIVE SPEC/STD DATAT3511 TEMPER
MATERIALALUMINUM ALLOY 2024
LEFT SIDE TOP FLANGE DISTANCE TO CENTER OF BOTH FLANGES0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
155-0006-001Interchangeable
interchangeable cross-reference
interchangeable
155-6-1Interchangeable
interchangeable cross-reference
interchangeable
JE4435-1Interchangeable
interchangeable cross-reference
interchangeable
406-9-98031-019Interchangeable
interchangeable cross-reference
interchangeable
BAC1505-13800Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K40A5T3511?
K40A5T3511 is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace K40A5T3511?
There are 14 known substitutes for K40A5T3511: 155-0006-001, 155-6-1, JE4435-1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K40A5T3511?
K40A5T3511 is cataloged in the Federal Logistics Information System (FLIS) under NSN 9540-01-071-6547. This indicates validated use in U.S. government and defense supply chains.
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