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515946 — HOUSING,CENTRIFUGAL FAN

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

515946: HOUSING,CENTRIFUGAL FAN.

The HOUSING,CENTRIFUGAL FAN is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include end_item_identification: HET VENTILATOR. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-776-7411, 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
515946
NSN: 5310-00-776-7411
NIINs: 007767411, 014121486
FSC: 5310 — Nuts and Washers
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
end_item_identificationHET VENTILATOR
NSN5310-00-776-7411
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 515946 · 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
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 1.040 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY WIDTH: 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
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OVERALL DISTANCE INCLUDING KEYS: 3.230 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698 COND 4 OR COND 5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.550 INCHES MINIMUM AND 2.570 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.0199 INCHES MINIMUM AND 0.0399 INCHES MAXIMUM IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 5
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY1.040 INCHES NOMINAL IN
INTERNAL PREBENT KEY WIDTH0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS3.230 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 COND 4 OR COND 5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.550 INCHES MINIMUM AND 2.570 INCHES MAXIMUM IN
MATERIAL THICKNESS0.0199 INCHES MINIMUM AND 0.0399 INCHES MAXIMUM IN
EXTERNAL STRAIGHT KEY WIDTH0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY5
INTERNAL PREBENT KEY LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 515946?
515946 is a HOUSING,CENTRIFUGAL FAN.
What is the NSN for 515946?
515946 is cataloged in the U.S. Government catalog under NSN 5310-00-776-7411. This indicates validated use in U.S. government and defense supply chains.
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