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377342 — SHROUD,FAN,RADIATOR

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

377342: SHROUD,FAN,RADIATOR.

The SHROUD,FAN,RADIATOR is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include diameter: 0.3270 INCHES MINIMUM AND 0.3370 INCHES MAXIMUM IN, corner_shape: SQUARE ALL CORNERS, outside_diameter: 0.5500 INCHES MINIMUM AND 0.5700 INCHES MAXIMUM IN, style_designator: ROUND, overall_thickness: 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-618-9442, 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
377342
NSN: 3120-00-618-9442
NIINs: 006189442, 013374103
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
diameter0.3270 INCHES MINIMUM AND 0.3370 INCHES MAXIMUM IN
corner_shapeSQUARE ALL CORNERS
outside_diameter0.5500 INCHES MINIMUM AND 0.5700 INCHES MAXIMUM IN
style_designatorROUND
overall_thickness0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-00-618-9442
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 377342 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
OVERALL THICKNESS: 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND
•
DIAMETER: 0.3270 INCHES MINIMUM AND 0.3370 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.5500 INCHES MINIMUM AND 0.5700 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
OVERALL THICKNESS0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
STYLE DESIGNATORROUND
DIAMETER0.3270 INCHES MINIMUM AND 0.3370 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.5500 INCHES MINIMUM AND 0.5700 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 377342?
377342 is a SHROUD,FAN,RADIATOR.
What is the NSN for 377342?
377342 is cataloged in the U.S. Government catalog under NSN 3120-00-618-9442. This indicates validated use in U.S. government and defense supply chains.
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