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8B855 — GEAR,HELICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8B855: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1045 OVERALL, body_style: WEBBED, SOLID, bore_style: PLAIN BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 25.5439 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-274-2971, 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
8B855
NSN: 3020-00-274-2971
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 1045 OVERALL
body_styleWEBBED, SOLID
bore_stylePLAIN BOTH ENDS
teeth_typeSINGLE HELIX
tooth_formSTANDARD
helix_angle25.5439 DEGREES
pitch_diameter5.5420 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity35
hardness_rating82.9 ROCKWELL B MINIMUM AND 96.4 ROCKWELL B MAXIMUM TEETH
tooth_directionRIGHT
style_designatorPROTRUDING HUBS
NSN3020-00-274-2971
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,HELICAL TITLE COMPONENT PN 8B855 MFR GEAR,HELICAL
KEY FEATURES
•
FURNISHED ITEMS AND QUANTITY: 1 EXTERNALLY LUBRICATED BEARING
•
BORE NOMINAL DIAMETER: 1.493 INCHES BOTH ENDS IN
•
HELIX ANGLE: 25.5439 DEGREES
•
HUB NOMINAL DIAMETER: 2.500 INCHES FIRST END IN
•
TEETH QUANTITY: 35
•
BODY STYLE: WEBBED, SOLID
•
TOOTH DIRECTION: RIGHT
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 EXTERNALLY LUBRICATED BEARING
BORE NOMINAL DIAMETER1.493 INCHES BOTH ENDS IN
HELIX ANGLE25.5439 DEGREES
HUB NOMINAL DIAMETER2.500 INCHES FIRST END IN
HUB NOMINAL DIAMETER2.500 INCHES SECOND END IN
TEETH QUANTITY35
BODY STYLEWEBBED, SOLID
TOOTH DIRECTIONRIGHT
BORE STYLEPLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.3038 INCHES BOTH ENDS IN
OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-001-2090 3020-00-001-4468 3020-00-007-2779 3020-00-009-4033 3020-00-031-2269 3020-00-146-4181 3020-00-146-4222 3020-00-425-7115
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8B855?
8B855 is a GEAR,HELICAL.
What is the NSN for 8B855?
8B855 is cataloged in the U.S. Government catalog under NSN 3020-00-274-2971. This indicates validated use in U.S. government and defense supply chains.
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