Cummins 4765-2 Gear, Helical

Cummins 4765-2 is a gear in Engine Parts, US catalog. Listed by US Government (DLA FLIS), October 2026.

Government data (US Government (DLA FLIS), October 2026 edition)

The U.S. government's Federal Logistics Information System (FLIS) records Cummins 4765-2 as the maker's own number under government stock item NSN 3020-00-377-2905. The name and every fact below are FLIS's, credited to US Government (DLA FLIS), October 2026 edition.

Specifications recorded for government stock item NSN 3020-00-377-2905, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name

Gear, Helical

Government stock item (NSN)

3020-00-377-2905

Manufacturer code (CAGE)

15434, CUMMINS INC., COLUMBUS, IN, UNITED STATES

Attachment method

Mounting hole

Pitch diameter

9.7500 in (nominal)

Teeth quantity

72

Features provided

Single helix

Hardness rating

Overall: Rockwell C 31.0 to 35.0

Mounting hole type and quantity

Axially through hub first end plain 6

Nominal outside diameter

9.997 in

Tooth form

Standard

Tooth direction

Right

Pressure angle

20.0000 degrees

Helix angle

22.6198 degrees

Nominal distance between body face and recessed hub end

Both ends: 0.218 in

Body recess nominal depth

Second end: 0.468 in

Face nominal width

1.250 in

Bore nominal diameter

Both ends: 2.6250 in

Counterbore nominal depth

Second end: 0.2187 in

Counterbore nominal diameter

Second end: 4.250 in

Hub nominal diameter

First end: 4.312 in

Mounting hole nominal diameter

Axially through hub first end: 0.374 in

Bolt hole circle nominal diameter

Axially through hub first end: 3.375 in

Special features

FIG 1 on end of hub on centerline of MTG hole,letter O located on face of gear at root of tooth space 65 deg 44 min CW from FIG 1,double @chisel marks at root of two teeth spaces 64 deg 16 min CCW from @FIG 1 mark

Material

Overall: steel comp 4340H

Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.

About this kind of part (general, written by SearchForPart)

Parts of an engine or driveline assembly named by their shape. Replaced when worn, cracked or broken. Check the assembly they belong to and the position.

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Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.