Engine Block, Diesel2815-01-255-6693

NSN 2815-01-255-6693 · NIIN 012556693 · Part number 3901736

Cummins Inc. · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 15434

Government record, cited

NSN 2815-01-255-6693 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-255-6693. Manufacturer of record part number: 3901736.

Also searched as 2815-01-255-6693 · 2815012556693 · NIIN 012556693 · 01-255-6693 · FSC 2815 Diesel Engines and Components · CAGE 15434 · 3901736

Nearby stock numbers ← 2815-01-255-6692 Cylinder Head, Diesel Engine · 2815-01-255-7762 Piston, Internal Combustion Engin →

Features

Engine Block,diesel — FSC 2815
1 manufacturer part number on file
Manufacturer of record: Cummins Inc.

Identification

NSN: 2815-01-255-6693
NIIN: 012556693
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 3901736
Manufacturer: Cummins Inc.

General Description

The Engine Block,diesel, cataloged under National Stock Number 2815-01-255-6693, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Cummins Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2815-01-255-6693
Primary Part Number	3901736
Item Name	Engine Block,diesel
FSC / FSG	2815 / 28 — Diesel Engines and Components
Manufacturer	Cummins Inc.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
3901736 PRIMARY	Cummins Inc. (USA)

No interchangeability data on file.

Other items in FSC 2815 — Diesel Engines and Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2815-00-000-0075

ENGINE,DIESEL

2815-00-001-0022

VALVE,POPPET,ENGINE

2815-00-001-3475

PISTON,INTERNAL COMBUSTION ENGIN

2815-00-001-7728

TAPPET,PUMP

2815-00-001-7737

2815-00-001-7737 · Item name not on file

2815-00-001-7805

OIL PUMP ASSEMBLY

2815-00-001-7806

CAMSHAFT,ENGINE

2815-00-001-7813

RING SET,PISTON

Frequently Asked Questions

What is NSN 2815-01-255-6693?

NSN 2815-01-255-6693 is a Engine Block,diesel, manufactured by Cummins Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-255-6693?

NSN 2815-01-255-6693 has 1 manufacturer part number on file: 3901736 (Cummins Inc.).

What are the specifications of 3901736?

Key specifications for 3901736: Special Features: CAST IRON;4 CYL B-SERIES ENG. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2815-01-255-6693 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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