The GEAR,WORM is a the manufacturer industrial component. Key specifications include helix_angle: 3.5833 DEGREES, pitch_diameter: 0.5000 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES, bore_nominal_diameter: 0.312 INCHES BOTH ENDS IN. This part is cataloged in the U.S.
Government catalog under NSN 3020-01-042-0775, 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
4256A420-1
NSN:3020-01-042-0775 FSC:3020 — Gears, Pulleys, Sprockets, and Transmission Chain CAGE:23905 — L-3 COMMUNICATIONS WESTWOOD CORPORATION DBA EDI DIVISION DIV TANO DIVISION (USA)
SPECIFICATIONS
helix_angle
3.5833 DEGREES
pitch_diameter
0.5000 INCHES NOMINAL IN
pressure_angle
14.5000 DEGREES
bore_nominal_diameter
0.312 INCHES BOTH ENDS IN
NSN
3020-01-042-0775
COMPONENT DIAGRAM
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.312 INCHES BOTH ENDS IN
•
HELIX ANGLE: 3.5833 DEGREES
•
PITCH DIAMETER: 0.5000 INCHES NOMINAL IN
•
PRESSURE ANGLE: 14.5000 DEGREES
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER
0.312 INCHES BOTH ENDS IN
HELIX ANGLE
3.5833 DEGREES
PITCH DIAMETER
0.5000 INCHES NOMINAL IN
PRESSURE ANGLE
14.5000 DEGREES
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 4256A420-1?
4256A420-1 is a GEAR,WORM.
What parts can replace 4256A420-1?
There are 2 known substitutes for 4256A420-1: 4256A450 PIECE 24, 4256A450 PIECE. Substitute compatibility should be verified for your specific system.
What is the NSN for 4256A420-1?
4256A420-1 is cataloged in the U.S. Government catalog under NSN 3020-01-042-0775. This indicates validated use in U.S. government and defense supply chains.
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