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73SA402 ✓ 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 COOLER,FLUID,INDUSTRIAL is a the manufacturer industrial component. Key specifications include height: 4.812 INCHES NOMINAL IN, length: 16.875 INCHES NOMINAL IN, diameter: 4.190 INCHES NOMINAL IN, material: COPPER TUBES, style_designator: COILED PLAIN TYPE, heat_transfer_method: INDIRECT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4420-00-004-3860, 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
73SA402
NSN: 4420-00-004-3860
FSC: 4420
CAGE: 07077 — HOWDEN BUFFALO, INC DIV HOWDEN GYROL FLUID DRIVES (USA)
SPECIFICATIONS
height4.812 INCHES NOMINAL IN
length16.875 INCHES NOMINAL IN
diameter4.190 INCHES NOMINAL IN
materialCOPPER TUBES
style_designatorCOILED PLAIN TYPE
heat_transfer_methodINDIRECT
tubing_outside_diameter0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN4420-00-004-3860
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COOLER,FLUID,INDUSTRIAL TITLE COMPONENT PN 73SA402 MFR COOLER,FLUID,INDUSTRIA
KEY FEATURES
•
LENGTH: 16.875 INCHES NOMINAL IN
•
HEIGHT: 4.812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: COILED PLAIN TYPE
•
HEAT TRANSFER METHOD: INDIRECT
•
MATERIAL: BRASS SHELL
•
DIAMETER: 4.190 INCHES NOMINAL IN
•
TUBING OUTSIDE DIAMETER: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH16.875 INCHES NOMINAL IN
HEIGHT4.812 INCHES NOMINAL IN
STYLE DESIGNATORCOILED PLAIN TYPE
HEAT TRANSFER METHODINDIRECT
MATERIALBRASS SHELL
DIAMETER4.190 INCHES NOMINAL IN
MATERIALBRASS TUBE SHEET
TUBING OUTSIDE DIAMETER0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALCOPPER TUBES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
7M301-205Interchangeable
Same NIIN cross-reference
interchangeable
5-030-03-014-005Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 73SA402?
73SA402 is a COOLER,FLUID,INDUSTRIAL.
What parts can replace 73SA402?
There are 2 known substitutes for 73SA402: 7M301-205, 5-030-03-014-005. Substitute compatibility should be verified for your specific system.
What is the NSN for 73SA402?
73SA402 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4420-00-004-3860. 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