Cummins S2680-1 Muffler, Exhaust

Cummins S2680-1 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 S2680-1 as the maker's own number under government stock item NSN 2990-00-141-9216. 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 2990-00-141-9216, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name

Muffler, Exhaust

Government stock item (NSN)

2990-00-141-9216

Manufacturer code (CAGE)

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

Overall length

30.000 in (nominal)

Center to center distance between mounting holes

1/2 in. dia bolt circle

Inlet connection type

Single inlet: flange

Overall diameter

12.375 in (nominal)

Design type

Dry

Coolant type

Air

Muffler design

Directional vane W/integral spark arrestor

Baffle quantity

1

Tube quantity

4

Body shape

Round

Operating position

Horizontal

Inlet location

Centrally in end section of body single inlet

Inlet projection length

Single inlet: 3.000 in (nominal)

Inlet flange shape

Single inlet: round

Inlet flange mounting provision and quantity

Single inlet holes 8

Inlet flange mounting hole diameter

Single inlet: 0.750 in (nominal)

Outlet connection type

First outlet: flange

Outlet location

Centrally in end section of body first outlet

Outlet projection length

First outlet: 3.000 in (nominal)

Outlet flange shape

First outlet: round

Outlet flange mounting provision and quantity

First outlet holes 8

Outlet flange mounting hole diameter

First outlet: 0.750 in (nominal)

Outlet flange mounting provision spacing

7-1/2 in. dia bolt circle first outlet

Hand hole quantity

2

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.

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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.