PartsTable
Technical Data Sheet
A444 ✓ 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

HEAT SINK,ELECTRICAL-ELECTRONIC. Key specifications include color: YELLOW, material: IRON, face_width: 0.500 INCHES NOMINAL IN, tooth_type: INTEGRAL, overall_width: 1.900 INCHES NOMINAL IN, overall_height: 1.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-231-3506, 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 A444
NSN: 3455-00-231-3506
FSC: 3455
CAGE: 72295 — F & D TOOL CO INC (USA)
SPECIFICATIONS
colorYELLOW
materialIRON
face_width0.500 INCHES NOMINAL IN
tooth_typeINTEGRAL
overall_width1.900 INCHES NOMINAL IN
overall_height1.000 INCHES NOMINAL IN
overall_length4.500 INCHES NOMINAL IN
outside_diameter4.000 INCHES NOMINAL IN
special_featuresPADDED SCOPE COVER, 15 - COYOTE BROWN.
tooth_arrangementSTRAIGHT
mounting_hole_diameter1.000 INCHES NOMINAL IN
end_item_identificationSONAR ASSEMBLY,TORPEDO MK 50
NSN3455-00-231-3506
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 A444 MFR OEM HEAT SINK,ELECTRICAL-ELECTRONIC
KEY FEATURES
MOUNTING HOLE DIAMETER: 1.000 INCHES NOMINAL IN
TOOTH TYPE: INTEGRAL
TOOTH ARRANGEMENT: STRAIGHT
FACE WIDTH: 0.500 INCHES NOMINAL IN
MATERIAL: STEEL
OUTSIDE DIAMETER: 4.000 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA: 80204-B94.19 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE DIAMETER1.000 INCHES NOMINAL IN
TOOTH TYPEINTEGRAL
TOOTH ARRANGEMENTSTRAIGHT
FACE WIDTH0.500 INCHES NOMINAL IN
MATERIALSTEEL
OUTSIDE DIAMETER4.000 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA80204-B94.19 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
52141Interchangeable
interchangeable cross-reference
interchangeable
717-002018Interchangeable
interchangeable cross-reference
interchangeable
58-10296Interchangeable
interchangeable cross-reference
interchangeable
L5501Interchangeable
interchangeable cross-reference
interchangeable
40215Interchangeable
interchangeable cross-reference
interchangeable
ETP508Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A444?
A444 is a HEAT SINK,ELECTRICAL-ELECTRONIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace A444?
There are 29 known substitutes for A444: 52141, 717-002018, 58-10296 and 26 more. Substitute compatibility should be verified for your specific system.
Is A444 still available?
A444 is currently cancelled.
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