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515181 — IMPELLER,FAN,AXIAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

515181: IMPELLER,FAN,AXIAL.

The IMPELLER,FAN,AXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include material: STEEL COMP 321 OR STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 303 OVERALL, thickness: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN, hole_diameter: 0.169 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN, overall_diameter: 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-205-8583, 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
515181
NSN: 5310-00-205-8583
NIINs: 002058583, 007115446, 010050489
FSC: 5310 — Nuts and Washers
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OR STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 303 OVERALL
thickness0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
hole_diameter0.169 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN
overall_diameter0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
specification/standard_data70210-S8157 MANUFACTURERS STANDARD
NSN5310-00-205-8583
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 515181 · 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
•
OVERALL DIAMETER: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL CORROSION RESISTING OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 515181?
515181 is a IMPELLER,FAN,AXIAL.
What is the NSN for 515181?
515181 is cataloged in the U.S. Government catalog under NSN 5310-00-205-8583. This indicates validated use in U.S. government and defense supply chains.
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