PartsTable TECHNICAL DATA SHEET

NSN 2815-01-643-9528Government record, cited

Breather2815-01-643-9528

NSN 2815-01-643-9528 · NIIN 016439528 · Part number P566156

Donaldson Company, Inc. · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 18265

Government record, cited

NSN 2815-01-643-9528 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-643-9528. Manufacturer of record part number: P566156.

Also searched as 2815-01-643-9528 · 2815016439528 · NIIN 016439528 · 01-643-9528 · FSC 2815 Diesel Engines and Components · CAGE 18265 · P566156

Nearby stock numbers ← 2815-01-643-9007 Piston, Internal Combustion Engin · 2815-01-643-9622 Engine, Diesel →

Features

Breather — FSC 2815
1 manufacturer part number on file
Manufacturer of record: Donaldson Company, Inc.

Identification

NSN: 2815-01-643-9528
NIIN: 016439528
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: P566156
Manufacturer: Donaldson Company, Inc.

General Description

The Breather, cataloged under National Stock Number 2815-01-643-9528, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Donaldson Company, 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	2815-01-643-9528
Primary Part Number	P566156
Item Name	Breather
FSC / FSG	2815 / 28 — Diesel Engines and Components
Manufacturer	Donaldson Company, Inc.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL D — Destroy Item
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
P566156 PRIMARY	Donaldson Company, 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 2815-01-643-9528?

NSN 2815-01-643-9528 is a Breather, manufactured by Donaldson Company, Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-01-643-9528?

NSN 2815-01-643-9528 has 1 manufacturer part number on file: P566156 (Donaldson Company, Inc.).

What are the specifications of P566156?

Key specifications for P566156: End Item Identification: F15SA AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2815-01-643-9528 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.

What is the DEMIL code for NSN 2815-01-643-9528?

NSN 2815-01-643-9528 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.

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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