Cummins 68276 Valve, Poppet, Engine

Cummins 68276 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 68276 as the maker's own number under government stock item NSN 2815-00-374-4327. 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 2815-00-374-4327, 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)

2815-00-374-4327

Manufacturer code (CAGE)

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

Head height

0.1750 to 0.1900 in

Chamfer angle in deg

45.0

Chamfer length

0.0200 in (nominal)

Furnished items

Carbon relief groove

Outside diameter

1.7400 to 1.7500 in

Metallic hardness rating

• Head: Rockwell C 40.0 to 50.0
• Seat face: Rockwell C 40.0 to 50.0
• Stem: Rockwell C 40.0 to 50.0
• Tip: Rockwell C 52.0 (nominal)

Seat angle in deg

30.0

Neck radius

0.5312 in (nominal)

Stem length

6.7240 to 6.7530 in

Stem diameter

0.4020 to 0.4030 in

Distance from first groove to stem end

0.3790 to 0.3900 in

Distance from second groove to stem end

0.5340 to 0.5470 in

Distance from third groove to stem end

4.3830 to 4.4110 in

First groove diameter

0.3000 to 0.3100 in

Second groove diameter

0.3000 to 0.3100 in

Third groove diameter

0.3900 to 0.3950 in

First groove width

0.0302 to 0.0322 in

Second groove width

0.0302 to 0.0322 in

Third groove width

0.7500 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.

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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.