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Technical Data Sheet
PartsTable / MRO / T109
T109 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Hot-plug fans can be replaced without shutdown Dual-rotor = higher CFM for high-power configs (GPU, dense storage)
AIRFLOW DIRECTION IS CRITICAL — reversed fan = thermal shutdown
PRODUCT OVERVIEW

The HEAT SINK,SOLDERING AID is a the manufacturer industrial component. Key specifications include width: 1.750 INCHES NOMINAL IN, height: 1.250 INCHES NOMINAL IN, length: 0.438 INCHES NOMINAL SQUARE END IN, diameter: 0.094 INCHES NOMINAL IN, material: STEEL OVERALL, body_width: 1.750 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 5999-01-257-0550, 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
MRO→ MRO_GENERAL→ T109
NSN: 5999-01-257-0550
FSC: 5999
CAGE: 20933 — KAPPA TECHNOLOGIES INC. (USA)
SPECIFICATIONS
width1.750 INCHES NOMINAL IN
height1.250 INCHES NOMINAL IN
length0.438 INCHES NOMINAL SQUARE END IN
diameter0.094 INCHES NOMINAL IN
materialSTEEL OVERALL
body_width1.750 INCHES NOMINAL IN
head_styleHEXAGON
body_height2.500 INCHES NOMINAL IN
body_length2.000 INCHES NOMINAL IN
head_height0.375 INCHES NOMINAL IN
constructionSEAMLESS
thread_class2A A
NSN5999-01-257-0550
COMPONENT DIAGRAM
HANDLE 60mm 60mm HOT-PLUG COOL IN HOT OUT DUAL ROTOR HOT-SWAP FAN MODULE | 60mm Dual Rotor | FRONT-TO-BACK Hot-plug | Redundant | TITLE FAN MODULE PN T109 MFR OEM HEAT SINK,SOLDERING AID
KEY FEATURES
•
BODY LENGTH: 0.700 INCHES NOMINAL IN
•
BODY DEPTH: 0.260 INCHES NOMINAL IN
•
TERMINAL TYPE AND QUANTITY: 12 PIN
•
BODY STYLE: RECTANGULAR
•
SECTION DELAY TIME: 25.000 NANOSECONDS NOMINAL 2ND SECTION NS
•
VOLTAGE RATING: 4.500 VOLTS MINIMUM AND 5.500 VOLTS MAXIMUM
•
BODY WIDTH: 0.390 INCHES NOMINAL IN
•
INDIVIDUAL SECTION QUANTITY: 5
TECHNICAL CHARACTERISTICS (FLIS)
BODY LENGTH0.700 INCHES NOMINAL IN
BODY DEPTH0.260 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY12 PIN
BODY STYLERECTANGULAR
SECTION DELAY TIME25.000 NANOSECONDS NOMINAL 2ND SECTION NS
VOLTAGE RATING4.500 VOLTS MINIMUM AND 5.500 VOLTS MAXIMUM
BODY WIDTH0.390 INCHES NOMINAL IN
INDIVIDUAL SECTION QUANTITY5
SECTION DELAY TIME50.000 NANOSECONDS NOMINAL 1ST SECTION NS
BODY LENGTH0.700 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
SCD51990003-010Interchangeable
Same NIIN cross-reference
interchangeable
D9051Interchangeable
Same NIIN cross-reference
interchangeable
00T109Interchangeable
Same NIIN cross-reference
interchangeable
DDU4-8565-10Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T109?
T109 is a HEAT SINK,SOLDERING AID. It is classified as a MRO (MRO_GENERAL).
What parts can replace T109?
There are 4 known substitutes for T109: SCD51990003-010, D9051, 00T109 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T109?
T109 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-257-0550. 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