The HUB ASSEMBLY,BLOWER is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. This part is cataloged in the U.S. Government catalog under NSN 2990-01-049-1186, 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
PTZ-991176
NSN:2990-01-049-1186 FSC:2990 — Miscellaneous Engine Accessories, Nonaircraft CAGE:3QKF5 — PARTZ NETWORK LLC, JOHN J. MELTON, ROBERT MELTON, CHRISTPHER ROBLES, RICHARD MELTON, CHRISTINE HUNSECKER (USA)
SPECIFICATIONS
Part Number
PTZ-991176
NSN
2990-01-049-1186
COMPONENT DIAGRAM
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL O/A; CASEHARDENED; TAPER BORE W/KEYWAY; 4.625 IN. OD; 1.859 IN. O/AW; 3 HOLES 0.635 IN. DIA EQUALLY SPACED ON 3.750 IN. BOLT CIRCLE; 3 HOLES 0.375 IN. DIA EQUALLY SPACED ON 3.750 IN. BOLT CIRCLE IN
TYPICAL APPLICATIONS
Server thermal management and cooling
Hot-swap fan replacement in production environments
Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION
STEEL O/A; CASEHARDENED; TAPER BORE W/KEYWAY; 4.625 IN. OD; 1.859 IN. O/AW; 3 HOLES 0.635 IN. DIA EQUALLY SPACED ON 3.750 IN. BOLT CIRCLE; 3 HOLES 0.375 IN. DIA EQUALLY SPACED ON 3.750 IN. BOLT CIRCLE IN
OTHER ITEMS IN FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is PTZ-991176?
PTZ-991176 is a HUB ASSEMBLY,BLOWER.
What parts can replace PTZ-991176?
There are 2 known substitutes for PTZ-991176: 134-2515, MP-098. Substitute compatibility should be verified for your specific system.
What is the NSN for PTZ-991176?
PTZ-991176 is cataloged in the U.S. Government catalog under NSN 2990-01-049-1186. This indicates validated use in U.S. government and defense supply chains.
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