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Technical Data Sheet
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EA37 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include phase: THREE, material: STEEL HOUSING, thickness: 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, drive_type: BELT, hole_diameter: 0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN, overall_diameter: 0.885 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-584-5542, 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
EA37
NSN: 5310-00-584-5542
FSC: 5310
CAGE: 05852 — BARNSTEAD THERMOLYNE CORPORATION DBA BARNSTEAD INTERNATIONAL DIV LABORATORY EQUIPMENT (USA)
SPECIFICATIONS
phaseTHREE
materialSTEEL HOUSING
thickness0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
drive_typeBELT
hole_diameter0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
overall_diameter0.885 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
prime_mover_power_rating1.000 HORSEPOWER
cross-sectional_shape_styleRECTANGULAR
criticality_code_justificationFEAT
NSN5310-00-584-5542
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: EA37 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 302 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5515 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 0.885 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
MATERIALSTEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5515 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPECIAL FEATURESCRITICAL FEATURES,TOLERANCES,FIT RESTRICTIONS,MATERIAL PROPERTIES AND MANUFACTURING PROCESS.FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM,DEATH OR SERIOUS INJURY.ACTION ID 45534417
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
OVERALL DIAMETER0.885 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
HOLE DIAMETER0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONFEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
10266Interchangeable
interchangeable cross-reference
interchangeable
55505X1CInterchangeable
interchangeable cross-reference
interchangeable
SP5334Interchangeable
interchangeable cross-reference
interchangeable
AD14-S46-44ALTInterchangeable
interchangeable cross-reference
interchangeable
168565RInterchangeable
interchangeable cross-reference
interchangeable
SL4219PC53Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EA37?
EA37 is a FAN,CENTRIFUGAL.
What parts can replace EA37?
There are 18 known substitutes for EA37: 10266, 55505X1C, SP5334 and 15 more. Substitute compatibility should be verified for your specific system.
Is EA37 still available?
EA37 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026