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191634 — IMPELLER,FAN,AXIAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

191634: 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 width: 2.188 INCHES NOMINAL IN, diameter: 5.535 INCHES NOMINAL IN, blade_quantity: 14, special_features: EXHAUST DRIVEN, attachment_method: BOLT HOLE, end_item_identification: ARMY WEAPON SYSTEM CODE ZL, 2815-01-414-6821 DIESEL ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-019-1634, 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
191634
NSN: 5305-00-019-1634
NIINs: 000191634, 014345503
FSC: 5305 — Screws
CAGE: 00000
SPECIFICATIONS
width2.188 INCHES NOMINAL IN
diameter5.535 INCHES NOMINAL IN
blade_quantity14
special_featuresEXHAUST DRIVEN
attachment_methodBOLT HOLE
mounting_hole_quantity1
end_item_identificationARMY WEAPON SYSTEM CODE ZL, 2815-01-414-6821 DIESEL ENGINE
NSN5305-00-019-1634
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 191634 · 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: 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM OR ZINC
•
FASTENER LENGTH: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES
•
THREAD LENGTH: 0.276 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.086 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM OR ZINC
FASTENER LENGTH0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES
THREAD LENGTH0.276 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.086 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SUBSTITUTES & CROSS-REFERENCES 1
FFS92TYPE1STYLE4SReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 191634?
191634 is a IMPELLER,FAN,AXIAL.
What parts can replace 191634?
There is 1 known substitute for 191634: FFS92TYPE1STYLE4S. Substitute compatibility should be verified for your specific system.
What is the NSN for 191634?
191634 is cataloged in the U.S. Government catalog under NSN 5305-00-019-1634. This indicates validated use in U.S. government and defense supply chains.
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