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PartsTable / COMPONENT / A0-74850
A0-74850 ✓ 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 SPRING ASSEMBLY,LEAF is a the manufacturer industrial component. Key specifications include phase: SINGLE, length: 2.470 INCHES NOMINAL IN, diameter: 6.500 INCHES NOMINAL IN, material: ALUMINUM BLADE, drive_type: DIRECT, air_flow_rate: 143.000 CUBIC FEET PER MINUTE NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-00-004-3668, 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
A0-74850
NSN: 4140-00-004-3668
FSC: 4140
CAGE: 82877 — ROTRON INCORPORATED (USA)
SPECIFICATIONS
phaseSINGLE
length2.470 INCHES NOMINAL IN
diameter6.500 INCHES NOMINAL IN
materialALUMINUM BLADE
drive_typeDIRECT
air_flow_rate143.000 CUBIC FEET PER MINUTE NOMINAL
flow_directionINWARD
inclosure_typeFULLY INCLOSED
prime_mover_typeELECTRIC MOTOR
style_designatorFIXED
speed_adjustmentsSINGLE SPEED
surface_treatmentENAMEL HOUSING OUTSIDE
NSN4140-00-004-3668
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING ASSEMBLY,LEAF TITLE COMPONENT PN A0-74850 MFR SPRING ASSEMBLY,LEAF
KEY FEATURES
•
SURFACE TREATMENT: ENAMEL HOUSING INSIDE
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 115.0 AC
•
PRIME MOVER DRIVE SHAFT BEARING TYPE: BALL
•
PRIME MOVER TYPE: ELECTRIC MOTOR
•
MATERIAL: ALUMINUM BLADE
•
DRIVE TYPE: DIRECT
•
AIR FLOW RATE: 143.000 CUBIC FEET PER MINUTE NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTENAMEL HOUSING INSIDE
VOLTAGE IN VOLTS AND CURRENT TYPE115.0 AC
SURFACE TREATMENTENAMEL HOUSING OUTSIDE
PRIME MOVER DRIVE SHAFT BEARING TYPEBALL
PRIME MOVER TYPEELECTRIC MOTOR
MATERIALALUMINUM BLADE
DRIVE TYPEDIRECT
AIR FLOW RATE143.000 CUBIC FEET PER MINUTE NOMINAL
PHASESINGLE
STYLE DESIGNATORFIXED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
100200-001Interchangeable
interchangeable cross-reference
interchangeable
020381Interchangeable
interchangeable cross-reference
interchangeable
559DSInterchangeable
interchangeable cross-reference
interchangeable
1333600Interchangeable
interchangeable cross-reference
interchangeable
025281Interchangeable
interchangeable cross-reference
interchangeable
138C229H01Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A0-74850?
A0-74850 is a SPRING ASSEMBLY,LEAF.
What parts can replace A0-74850?
There are 7 known substitutes for A0-74850: 100200-001, 020381, 559DS and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A0-74850?
A0-74850 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4140-00-004-3668. 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