Detroit Diesel 5151187 Gear, Helical

Detroit Diesel 5151187 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 Detroit Diesel 5151187 as the maker's own number under government stock item NSN 3020-00-245-8332. 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 3020-00-245-8332, 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)

3020-00-245-8332

Manufacturer code (CAGE)

72582, ROLLS-ROYCE SOLUTIONS AMERICA INC DBA ROLLS-ROYCE SOLUTIONS AMERICA INC, NOVI, MI, UNITED STATES
Detroit Diesel part numbering. This manufacturer code is now held by Rolls-Royce Solutions America.

Pitch diameter

1.3500 in (nominal)

Teeth quantity

8

Backlash designation

Grade A

Features provided

Single helix

Hardness rating

Overall: Rockwell C 24.5 to 32.1

Nominal outside diameter

1.6830 in

Tooth form

Standard

Tooth direction

Right

Pressure angle

28.0000 degrees

Helix angle

9.7500 degrees

Face nominal width

1.436 in

Bore nominal diameter

Both ends: 0.495 in

Keyway nominal width

Both ends: 0.126 in

Nominal distance from bore center to keyway bottom

Both ends: 0.318 in

Material

Overall: steel

Other reference numbers listed under the same stock item

• H20 TANK INC U S MOTORS DIV 5151187

These numbers are recorded under the same government stock item. That is not a statement that the parts replace each other or fit the same equipment: confirm with the manufacturer.

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.