Detroit Diesel 5172779 Pulley, Cone

Detroit Diesel 5172779 is a pulley 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 5172779 as the maker's own number under government stock item NSN 3020-00-497-6507. 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 3020-00-497-6507, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name

Pulley, Cone

Government stock item (NSN)

3020-00-497-6507

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.

Furnished items

Keying facility and lightening hole

Groove depth

0.625 in (nominal) and 0.851 in (nominal)

Groove width

0.656 in (nominal) and 0.812 in (nominal)

Overall length

6.375 in (nominal)

Keyway width

0.376 to 0.381 in

Bore diameter

2.000 in (nominal)

Bore length

3.312 in (nominal)

Distance from center of bore to bottom of keyway

1.176 to 1.186 in

V groove angle in deg

34.0

Hub outside diameter

AA end: 3.000 in (nominal)

Face type

Step groove

Design form

Webbed

Bore type

Straight

Groove quantity

3

Step outside diameter

9.000 in (nominal) and 7.500 in (nominal)

Keying facility type

Keyway

Groove shape

V

Protruding hub characteristic

Plain

Special features

2 puller holes,6 bar ring holes,6 ribs

Material

Overall: iron cast

Quantity

1

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)

Drive the alternator, fan, water pump or compressor. Cracks, glazing, squeal or a worn pulley groove call for replacement. Check length, width and rib or groove count.

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.

Availability

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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.