Cummins 166772 Lock, Valve Spring Retainer

Cummins 166772 is a engine component 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 166772 as the maker's own number under government stock item NSN 2815-00-402-5186. 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 2815-00-402-5186, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name

Lock, Valve Spring Retainer

Government stock item (NSN)

2815-00-402-5186

Manufacturer code (CAGE)

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

Casehardening indicator

Case-hardened

Overall height

0.375 in (nominal)

Thread provision

Unthreaded

Largest inside diameter

0.375 in (nominal)

Largest outside diameter

0.516 in (nominal)

Minimum inside diameter

0.350 in

Largest outside width

0.078 in (nominal)

Top counterbore depth

0.125 in (nominal)

Bottom counterbore depth

0.125 in (nominal)

Outside included angle in deg

7.5

Material

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)

A part of an engine named by its use. Replaced when worn, leaking or damaged. Check the engine model and serial range.

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.