Cummins 203672 Bearing Half, Sleeve

Cummins 203672 is a engine bearing in Engine Parts, US catalog. Listed by US Government (DLA FLIS), October 2026.

Cummins part number 203672 is listed as Engine bearing. This manufacturer's reference number is recorded under government stock item NSN 3120-00-339-5645.

Manufacturer
Cummins
Part number
203672
Category
Engine Parts
Type
Engine bearing
Government stock item (NSN)
3120-00-339-5645
SearchForPart reference
SFP-PRT-868TB8MD

What does it fit?

The source prints no vehicle, engine or equipment for this part.

Government data (US Government (DLA FLIS), October 2026 edition)

The U.S. government's Federal Logistics Information System (FLIS) records Cummins 203672 as the maker's own number under government stock item NSN 3120-00-339-5645. 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 3120-00-339-5645, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name
Bearing Half, Sleeve
Government stock item (NSN)
3120-00-339-5645
Manufacturer code (CAGE)
15434, CUMMINS INC., COLUMBUS, IN, UNITED STATES
Hole diameter
First: 0.1875 in (nominal)
Slot width
First: 0.4219 to 0.4531 in
Slot length
First: 0.5000 to 0.5312 in
Overall length
1.9700 to 1.9800 in
Body outside diameter
3.2850 to 3.3100 in
Body inside diameter
3.1190 to 3.1455 in
Distance from centerline of opening to left end of bearing
First: 0.9780 to 0.9980 in
Locking lug height
0.0450 to 0.0550 in
Locking lug length
0.2187 in (nominal)
Locking lug width
0.2380 to 0.2430 in
Corner shape
All corners: square
Antirotation/lubrication type and quantity
Hole 1 and slot 2
Hole spacing angle
180.0 degrees (nominal)
Distance from lug end to end of bearing
0.3960 to 0.4035 in
Material
  • Inner layer: copper alloy
  • Lubrication: oil lubricating
  • Outer layer: steel comp 1010
Surface treatment
Overall: tin

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 thin shell that the crankshaft or camshaft turns in, carried by an oil film. Low oil pressure, knocking or metal in the oil point to worn bearings. Check whether it is a main, rod or cam bearing, standard or undersize, and upper or lower half.

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.

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