PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

148860Cylinder Sleeve

Cummins Inc. · NSN 2815-00-603-1380 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-603-1380 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-603-1380. Primary manufacturer part number: 148860.
Features
  • Cylinder Sleeve — FSC 2815
  • Flange Thickness: 0.355 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
  • Style Designator: WET, RELIEVED, THREE SEAL GROOVES
  • Grooved Portion Outside Diameter: 6.120 INCHES MINIMUM AND 6.122 INCHES MAXIMUM IN
  • Top Intake Port: NOT INCLUDED
  • Largest Outside Diameter Under Flange: 6.294 INCHES MINIMUM AND 6.299 INCHES MAXIMUM IN
  • Body Outside Diameter: 5.740 INCHES MINIMUM AND 5.760 INCHES MAXIMUM IN
  • Top Inside Chamfer: INCLUDED
Applications
  • Applications requiring Iron Cast construction
General Description

The Cylinder Sleeve, cataloged under National Stock Number 2815-00-603-1380, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-603-1380
Primary Part Number148860
Item NameCylinder Sleeve
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
Flange Thickness0.355 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
Style DesignatorWET, RELIEVED, THREE SEAL GROOVES
Grooved Portion Outside Diameter6.120 INCHES MINIMUM AND 6.122 INCHES MAXIMUM IN
Top Intake PortNOT INCLUDED
Largest Outside Diameter Under Flange6.294 INCHES MINIMUM AND 6.299 INCHES MAXIMUM IN
Body Outside Diameter5.740 INCHES MINIMUM AND 5.760 INCHES MAXIMUM IN
Top Inside ChamferINCLUDED
Bore Diameter5.4995 INCHES MINIMUM AND 5.5010 INCHES MAXIMUM IN
Body Length6.483 INCHES NOMINAL IN
Valve RecessNOT INCLUDED
Groove Width0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Grooved Portion Width1.375 INCHES NOMINAL IN
Bottom Chamfer Angle in Deg15.0
FSC Application DataDIESEL ENGINE BLOCK ASSY
Bottom Inside ChamferINCLUDED
Chamfer Length0.070 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Largest Outside Diameter Width Under Flange0.527 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
Design TypeWET
Intake HoleNOT INCLUDED
Bottom Chamfer Length0.070 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Flange Outside Diameter6.564 INCHES MINIMUM AND 6.566 INCHES MAXIMUM IN
Chamfer Angle in Deg15.0
MaterialIRON CAST
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-958-6724 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
148860 Cummins Inc (USA)
QPL11276 Cecom Lr Center (USA)
MILE11276 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
148860 PRIMARY Cummins Inc. (USA)
Related Parts
5961-00-958-6724INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 2815-00-603-1380?

NSN 2815-00-603-1380 is a Cylinder Sleeve, manufactured by Cummins Inc., classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-603-1380?

NSN 2815-00-603-1380 has 4 cross-referenced part numbers: 148860 (Cummins Inc), QPL11276 (Cecom Lr Center), MILE11276 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 148860 (Cummins Inc.).

What NSN replaces 2815-00-603-1380?

There is 1 known substitute for 2815-00-603-1380: 5961-00-958-6724. Verify interchangeability with system specifications before substitution.

What are the specifications of 148860?

Key specifications for 148860: Flange Thickness: 0.355 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN; Style Designator: WET, RELIEVED, THREE SEAL GROOVES; Grooved Portion Outside Diameter: 6.120 INCHES MINIMUM AND 6.122 INCHES MAXIMUM IN; Top Intake Port: NOT INCLUDED. 25 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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