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Technical Data Sheet
SCB77446 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL HUB, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: SPECIAL, helix_angle: 18.0000 DEGREES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-351-8995, 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
SCB77446
NSN: 3020-00-351-8995
FSC: 3020
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL HUB
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
teeth_typeSINGLE HELIX
tooth_formSPECIAL
helix_angle18.0000 DEGREES
pitch_diameter0.9280 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
teeth_quantity42
hardness_rating33.0 ROCKWELL C NOMINAL HUB
tooth_directionLEFT
special_featuresMTG HOLES 90 DEGS APART
NSN3020-00-351-8995
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,HELICAL TITLE COMPONENT PN SCB77446 MFR GEAR,HELICAL
KEY FEATURES
TEETH QUANTITY: 42
BODY STYLE: PLAIN, SOLID
TOOTH DIRECTION: LEFT
STYLE DESIGNATOR: PROTRUDING HUBS
BORE NOMINAL DIAMETER: 0.2500 INCHES BOTH ENDS IN
MATERIAL: STEEL HUB
HARDNESS RATING: 33.0 ROCKWELL C NOMINAL HUB
FACE NOMINAL WIDTH: 0.656 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
TEETH QUANTITY42
BODY STYLEPLAIN, SOLID
TOOTH DIRECTIONLEFT
STYLE DESIGNATORPROTRUDING HUBS
BORE NOMINAL DIAMETER0.2500 INCHES BOTH ENDS IN
MATERIALSTEEL HUB
HARDNESS RATING33.0 ROCKWELL C NOMINAL HUB
FACE NOMINAL WIDTH0.656 INCHES IN
PRESSURE ANGLE14.5000 DEGREES
TEETH TYPESINGLE HELIX
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
FB0046-51N0DInterchangeable
interchangeable cross-reference
interchangeable
51N0DInterchangeable
interchangeable cross-reference
interchangeable
5238GX2Interchangeable
interchangeable cross-reference
interchangeable
14181Interchangeable
interchangeable cross-reference
interchangeable
B94.9Interchangeable
interchangeable cross-reference
interchangeable
B94.9 3/8-24 UNF HS G H1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SCB77446?
SCB77446 is a GEAR,HELICAL.
What parts can replace SCB77446?
There are 21 known substitutes for SCB77446: FB0046-51N0D, 51N0D, 5238GX2 and 18 more. Substitute compatibility should be verified for your specific system.
Is SCB77446 still available?
SCB77446 is currently cancelled.
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