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72947 — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

72947: IMPELLER,FAN,CENTRIFUGAL.

The IMPELLER,FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 2.4 INCHES NOMINAL IN, diameter: 12.0 INCHES NOMINAL IN, blade_shape: FLAT, style_designator: CURVED RADIAL W/ BACK PLATE, attachment_method: KEYWAY, end_item_identification: 4120-01-600-2193;AIR CONDITIONER. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-022-7997, 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
72947
NSN: 5305-00-022-7997
NIINs: 000227997, 005110862, 008918583, 013769602, 014477928, 014814532, 015993200, 016932968
FSC: 5305 — Screws
CAGE: 95097 — LITTLE GIANT CRANE AND SHOVEL INC (USA)
SPECIFICATIONS
width2.4 INCHES NOMINAL IN
diameter12.0 INCHES NOMINAL IN
blade_shapeFLAT
blade_quantity6
style_designatorCURVED RADIAL W/ BACK PLATE
attachment_methodKEYWAY
mounting_hole_quantity1
end_item_identification4120-01-600-2193;AIR CONDITIONER
part_name_assigned_by_controlling_agencyIMPELLER,FAN,CENTRIFUGAL
NSN5305-00-022-7997
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 72947 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.277 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.594 INCHES MINIMUM AND 1.656 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
MINIMUM YIELD STRENGTH: 130000 POUNDS PER SQUARE INCH LBS
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.277 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
FASTENER LENGTH1.594 INCHES MINIMUM AND 1.656 INCHES MAXIMUM IN
THREAD LENGTH1.250 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH LBS
THREAD CLASS2A A
THREAD QUANTITY PER INCH13
SUBSTITUTES & CROSS-REFERENCES 4
17C826Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FFS85TYPE2STYLE10PReference document
Same NSN cross-reference
Reference document — Identification reference
S2813-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
227997Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 72947?
72947 is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace 72947?
There are 4 known substitutes for 72947: 17C826, FFS85TYPE2STYLE10P, S2813-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 72947?
72947 is cataloged in the U.S. Government catalog under NSN 5305-00-022-7997. This indicates validated use in U.S. government and defense supply chains.
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