PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25519Engine Block Assembly,diesel

Itw Gse Inc. · NSN 2815-01-544-4860 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-01-544-4860 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-544-4860. Primary manufacturer part number: 25519.
Features
  • Engine Block Assembly,diesel — FSC 2815
  • 2 verified cross-references
  • Primary manufacturer: Itw Gse Inc.
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Engine Block Assembly,diesel, cataloged under National Stock Number 2815-01-544-4860, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Itw Gse Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-01-544-4860
Primary Part Number25519
Item NameEngine Block Assembly,diesel
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerItw Gse Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-01-037-590190055-1 INTERCHANGEABLE
Spring,helical,compression
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
5365-01-283-3571K-214 INTERCHANGEABLE
Shim
The Timken Corporation
5340-01-424-298525519 INTERCHANGEABLE
Standoff,threaded,spacing
Csts, Inc Dba Computer Sys Techl Support
2910-01-663-1572P550090 INTERCHANGEABLE
Filter Element,fluid
Donaldson Company, Inc.
Cross-Reference Index
Part NumberManufacturer
25519 Itw Gse Inc. (USA)
25519 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
Related Parts
5360-01-037-5901INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
90055-1
5365-01-283-3571INTERCHANGEABLE
SHIM
K-214
5340-01-424-2985INTERCHANGEABLE
STANDOFF,THREADED,SPACING
25519
2910-01-663-1572INTERCHANGEABLE
FILTER ELEMENT,FLUID
P550090

Frequently Asked Questions

What is NSN 2815-01-544-4860?

NSN 2815-01-544-4860 is a Engine Block Assembly,diesel, manufactured by Itw Gse Inc., classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-01-544-4860?

NSN 2815-01-544-4860 has 2 cross-referenced part numbers: 25519 (Itw Gse Inc.), 25519 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems).

What NSN replaces 2815-01-544-4860?

There are 4 known substitutes for 2815-01-544-4860: 5360-01-037-5901, 5365-01-283-3571, 5340-01-424-2985 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25519?

Key specifications for 25519: End Item Identification: F-22 SUPPORT EQUIPMENT. 1 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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