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Technical Data Sheet
PartsTable / COMPONENT / 858198
858198 ✓ 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 hole_diameter: 1.500 INCHES NOMINAL IN, outside_diameter: 2.125 INCHES NOMINAL IN, style_designator: SPLIT, material_thickness: 0.375 INCHES NOMINAL IN, material_document_and_classification: SAE F11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-248-6052, 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
858198
NSN: 5310-00-248-6052
FSC: 5310
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
hole_diameter1.500 INCHES NOMINAL IN
outside_diameter2.125 INCHES NOMINAL IN
style_designatorSPLIT
material_thickness0.375 INCHES NOMINAL IN
material_document_and_classificationSAE F11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-248-6052
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 858198 · 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
•
MATERIAL THICKNESS: 0.375 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE F11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: SPLIT
•
OUTSIDE DIAMETER: 2.125 INCHES NOMINAL IN
•
HOLE DIAMETER: 1.500 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE F11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSPLIT
OUTSIDE DIAMETER2.125 INCHES NOMINAL IN
HOLE DIAMETER1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
501017Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-24460Interchangeable
interchangeable cross-reference
interchangeable
10191755Interchangeable
interchangeable cross-reference
interchangeable
2530000343442Interchangeable
interchangeable cross-reference
interchangeable
31002Interchangeable
interchangeable cross-reference
interchangeable
X61-3729Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 858198?
858198 is a FAN,CENTRIFUGAL.
What parts can replace 858198?
There are 18 known substitutes for 858198: 501017, MIL-H-24460, 10191755 and 15 more. Substitute compatibility should be verified for your specific system.
Is 858198 still available?
858198 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