Cummins BM7311 Gear, Helical

Cummins BM7311 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 BM7311 as the maker's own number under government stock item NSN 3020-00-374-4280. 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 3020-00-374-4280, 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)

3020-00-374-4280

Manufacturer code (CAGE)

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

Pitch diameter

6.5000 in (nominal)

Teeth quantity

48

Features provided

Single helix

Nominal outside diameter

6.748 in

Tooth form

Standard

Tooth direction

Left

Pressure angle

20.0000 degrees

Helix angle

22.6197 degrees

Nominal distance between body face and protruding hub end

• First end: 0.500 in
• Second end: 0.493 in

Face nominal width

1.250 in

Bore nominal diameter

Both ends: 1.495 in

Hub nominal diameter

Both ends: 1.937 in

Material

Overall: steel

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.

When ordering, give the part number exactly as printed and its maker, and the make, model and year of the truck, trailer, reefer unit or machine (or the engine or unit serial number). SearchForPart shows fitment only as the source printed it: check it before you order.

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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.