Cummins 3803517 Valve, Poppet, Engine

Cummins 3803517 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 3803517 as the maker's own number under government stock item NSN 2815-00-970-1284. 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 2815-00-970-1284, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name

Valve, Poppet, Engine

Government stock item (NSN)

2815-00-970-1284

Manufacturer code (CAGE)

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

Head height

0.2000 in (nominal)

Chamfer angle in deg

45.0

Chamfer length

0.0156 in (nominal)

Outside diameter

1.7460 in (nominal)

Minor outside diameter

0.3700 in (nominal)

Metallic hardness rating

Overall: Rockwell C 40.0 to 50.0

Minor diameter length

0.7187 in (nominal)

Seat angle in deg

30.0

Neck radius

0.5000 in (nominal)

Stem length

6.8120 in (nominal)

Stem diameter

0.4020 in (nominal)

Distance from first groove to stem end

0.3590 in (nominal)

Distance from second groove to stem end

0.5780 in (nominal)

First groove diameter

0.3020 in (nominal)

Second groove diameter

0.3020 in (nominal)

First groove width

0.3120 in (nominal)

Second groove width

0.1560 in (nominal)

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

Not currently offered by an approved supplier. Ask us to source it and we look for a supplier.

Do you sell this part?

If you stock or supply this part, tell us about your business and what you sell.

Sell or Supply Parts

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.