PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11487Engine Block Assembly,diesel

Westerbeke Corporation · NSN 2815-01-122-4396 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-01-122-4396 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-122-4396. Primary manufacturer part number: 11487.
Features
  • Engine Block Assembly,diesel — FSC 2815
  • 3 verified cross-references
  • Primary manufacturer: Westerbeke Corporation
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Engine Block Assembly,diesel, cataloged under National Stock Number 2815-01-122-4396, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Westerbeke Corporation. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-01-122-4396
Primary Part Number11487
Item NameEngine Block Assembly,diesel
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerWesterbeke Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4520-00-068-0294 INTERCHANGEABLE
Heating Element,electrical,nonim
3040-00-092-1436SC-C-70386 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5133-00-227-9674 INTERCHANGEABLE
Drill,twist
6210-00-241-0861 INTERCHANGEABLE
Light,indicator
2815-00-872-6325 INTERCHANGEABLE
Engine Block,diesel
4940-01-117-909911487 INTERCHANGEABLE
Mount
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5310-01-262-13461148-7 INTERCHANGEABLE
Nut,packing
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
5305-01-273-500811487 INTERCHANGEABLE
Screw,cap,socket Head
Sps Technologies, Llc Dba PB Fasteners
5360-01-330-957183793 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
3040-01-413-6008A-801-12339 INTERCHANGEABLE
Shaft,shouldered
B.w. Elliott Manufacturing Co., Llc
Cross-Reference Index
Part NumberManufacturer
11487 PRIMARY Westerbeke Corporation (USA)
12339 Westerbeke Corporation (USA)
83793 Perkins Engines Inc (USA)
Related Parts
4520-00-068-0294INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
3040-00-092-1436INTERCHANGEABLE
LEVER,MANUAL CONTROL
SC-C-70386
5133-00-227-9674INTERCHANGEABLE
DRILL,TWIST
6210-00-241-0861INTERCHANGEABLE
LIGHT,INDICATOR
2815-00-872-6325INTERCHANGEABLE
ENGINE BLOCK,DIESEL
4940-01-117-9099INTERCHANGEABLE
MOUNT
11487
5310-01-262-1346INTERCHANGEABLE
NUT,PACKING
1148-7
5305-01-273-5008INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
11487
5360-01-330-9571INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
83793
3040-01-413-6008INTERCHANGEABLE
SHAFT,SHOULDERED
A-801-12339
4330-01-501-9445INTERCHANGEABLE
SEPARATOR,OIL
5999-01-695-8306INTERCHANGEABLE
STRIP,ELECTRICAL GROUNDING
11487

Frequently Asked Questions

What is NSN 2815-01-122-4396?

NSN 2815-01-122-4396 is a Engine Block Assembly,diesel, manufactured by Westerbeke Corporation, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-01-122-4396?

NSN 2815-01-122-4396 has 3 cross-referenced part numbers: 11487 (Westerbeke Corporation), 12339 (Westerbeke Corporation), 83793 (Perkins Engines Inc).

What NSN replaces 2815-01-122-4396?

There are 12 known substitutes for 2815-01-122-4396: 4520-00-068-0294, 3040-00-092-1436, 5133-00-227-9674 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11487?

Key specifications for 11487: Special Features: CONSISTS OF BLOCK,CRANKSHAFT,MAIN AND ROD BRGS,RODS,PISTONS,PISTON RINGS,CYL HEAD W/VALVES AND SPRINGS,UPPER ROCKER ASSY,VALVE COVER AND OIL PAN; End Item Identification: WESTERBEKE DIESEL MODEL 14088. 2 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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