PartsTable
Technical Data Sheet
Download PDF

345035 — GEAR,HELICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

345035: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING INTERNALLY MOLDED-IN REINFORCEMENT, seal_width: 0.312 INCHES NOMINAL IN, temp_rating: -50.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, construction: SOLID, housing_bore_diameter: 4.998 INCHES NOMINAL IN, accommodated_shaft_diameter: 4.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-950-3842, 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
345035
NSN: 3020-00-950-3842
NIINs: 009503842, 011236401
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING INTERNALLY MOLDED-IN REINFORCEMENT
seal_width0.312 INCHES NOMINAL IN
temp_rating-50.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
constructionSOLID
housing_bore_diameter4.998 INCHES NOMINAL IN
accommodated_shaft_diameter4.000 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN3020-00-950-3842
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,HELICAL TITLE COMPONENT PN 345035 MFR GEAR,HELICAL
KEY FEATURES
•
KEYWAY NOMINAL WIDTH: 0.250 INCHES BOTH ENDS IN
•
BORE NOMINAL DIAMETER: 1.376 INCHES BOTH ENDS IN
•
HELIX ANGLE: 21.8102 DEGREES
•
TEETH QUANTITY: 12
•
BODY STYLE: PLAIN, SOLID
•
TOOTH DIRECTION: LEFT
•
BORE STYLE: W/ KEYWAY BOTH ENDS
•
TEETH TYPE: SINGLE HELIX
TECHNICAL CHARACTERISTICS
KEYWAY NOMINAL WIDTH0.250 INCHES BOTH ENDS IN
BORE NOMINAL DIAMETER1.376 INCHES BOTH ENDS IN
HELIX ANGLE21.8102 DEGREES
TEETH QUANTITY12
BODY STYLEPLAIN, SOLID
TOOTH DIRECTIONLEFT
BORE STYLEW/ KEYWAY BOTH ENDS
TEETH TYPESINGLE HELIX
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MINIMUM OVERALL
STYLE DESIGNATORHUBLESS
SUBSTITUTES & CROSS-REFERENCES 2
NC4028PC155Reference document
Same NSN cross-reference
Reference document — Secondary reference
155NC4028Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 345035?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 345035?
345035 is a GEAR,HELICAL.
What parts can replace 345035?
There are 2 known substitutes for 345035: NC4028PC155, 155NC4028. Substitute compatibility should be verified for your specific system.
What is the NSN for 345035?
345035 is cataloged in the U.S. Government catalog under NSN 3020-00-950-3842. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 345035

✓ 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.