The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, helix_angle: 23.2158 DEGREES, pitch_diameter: 3.1420 INCHES NOMINAL IN, pressure_angle: 18.3666 DEGREES, teeth_quantity: 22. This part is cataloged in the U.S.
Government catalog under NSN 3020-00-090-5840, 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
208500
NSN:3020-00-090-5840 FSC:3020 — Gears, Pulleys, Sprockets, and Transmission Chain CAGE:77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
bore_style
PLAIN BOTH ENDS
tooth_form
STANDARD
helix_angle
23.2158 DEGREES
pitch_diameter
3.1420 INCHES NOMINAL IN
pressure_angle
18.3666 DEGREES
teeth_quantity
22
hardness_rating
58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
tooth_direction
RIGHT
face_nominal_width
1.531 INCHES IN
backlash_designation
GRADE A
bore_nominal_diameter
2.1645 INCHES BOTH ENDS IN
nominal_outside_diameter
3.359 INCHES IN
NSN
3020-00-090-5840
COMPONENT DIAGRAM
KEY FEATURES
•
BORE NOMINAL DIAMETER: 2.1645 INCHES BOTH ENDS IN
•
HELIX ANGLE: 23.2158 DEGREES
•
BACKLASH DESIGNATION: GRADE A
•
TEETH QUANTITY: 22
•
TOOTH DIRECTION: RIGHT
•
BORE STYLE: PLAIN BOTH ENDS
•
HARDNESS RATING: 58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
•
PITCH DIAMETER: 3.1420 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER
2.1645 INCHES BOTH ENDS IN
HELIX ANGLE
23.2158 DEGREES
BACKLASH DESIGNATION
GRADE A
TEETH QUANTITY
22
TOOTH DIRECTION
RIGHT
BORE STYLE
PLAIN BOTH ENDS
HARDNESS RATING
58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
PITCH DIAMETER
3.1420 INCHES NOMINAL IN
TOOTH FORM
STANDARD
NOMINAL OUTSIDE DIAMETER
3.359 INCHES 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.
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FREQUENTLY ASKED QUESTIONS
What is 208500?
208500 is a GEAR,HELICAL.
What parts can replace 208500?
There is 1 known substitute for 208500: 01770-0183. Substitute compatibility should be verified for your specific system.
What is the NSN for 208500?
208500 is cataloged in the U.S. Government catalog under NSN 3020-00-090-5840. This indicates validated use in U.S. government and defense supply chains.
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