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291796B — GEAR,HELICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

291796B: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, bore_style: W/ KEYWAY BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 15.3249 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-133-0814, 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
291796B
NSN: 3020-00-133-0814
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 28265 — HERCULES ENGINE CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_stylePLAIN, SOLID
bore_styleW/ KEYWAY BOTH ENDS
teeth_typeSINGLE HELIX
tooth_formSTANDARD
helix_angle15.3249 DEGREES
pitch_diameter1.9441 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
teeth_quantity15
hardness_rating30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
tooth_directionLEFT
style_designatorHUBLESS
NSN3020-00-133-0814
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,HELICAL TITLE COMPONENT PN 291796B MFR GEAR,HELICAL
KEY FEATURES
•
KEYWAY NOMINAL WIDTH: 0.127 INCHES BOTH ENDS IN
•
BORE NOMINAL DIAMETER: 0.436 INCHES BOTH ENDS IN
•
HELIX ANGLE: 15.3249 DEGREES
•
TEETH QUANTITY: 15
•
BODY STYLE: PLAIN, SOLID
•
TOOTH DIRECTION: LEFT
•
BORE STYLE: W/ KEYWAY BOTH ENDS
•
TEETH TYPE: SINGLE HELIX
TECHNICAL CHARACTERISTICS
KEYWAY NOMINAL WIDTH0.127 INCHES BOTH ENDS IN
BORE NOMINAL DIAMETER0.436 INCHES BOTH ENDS IN
HELIX ANGLE15.3249 DEGREES
TEETH QUANTITY15
BODY STYLEPLAIN, SOLID
TOOTH DIRECTIONLEFT
BORE STYLEW/ KEYWAY BOTH ENDS
TEETH TYPESINGLE HELIX
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORHUBLESS
SUBSTITUTES & CROSS-REFERENCES 1
291796Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 291796B?
291796B is a GEAR,HELICAL.
What parts can replace 291796B?
There is 1 known substitute for 291796B: 291796. Substitute compatibility should be verified for your specific system.
What is the NSN for 291796B?
291796B is cataloged in the U.S. Government catalog under NSN 3020-00-133-0814. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.