PartsTable TECHNICAL DATA SHEET

NSN 2815-00-355-1644Government record, cited

Piston2815-00-355-1644

NSN 2815-00-355-1644 · NIIN 003551644 · Part number R3B

Hatch & Kirk, Inc. · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 55380

Government record, cited

NSN 2815-00-355-1644 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-355-1644. Manufacturer of record part number: R3B.

Also searched as 2815-00-355-1644 · 2815003551644 · NIIN 003551644 · 00-355-1644 · FSC 2815 Diesel Engines and Components · CAGE 55380 · R3B

Nearby stock numbers ← 2815-00-355-1643 Piston Assembly · 2815-00-355-1645 Tappet, Engine Poppet Valve →

Features

Piston — FSC 2815
1 manufacturer part number on file
Manufacturer of record: Hatch & Kirk, Inc.

Identification

NSN: 2815-00-355-1644
NIIN: 003551644
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: R3B
Manufacturer: Hatch & Kirk, Inc.

General Description

The Piston, cataloged under National Stock Number 2815-00-355-1644, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Hatch & Kirk, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Piston
FSC / FSG	2815 — Diesel Engines and Components (FSG 28)
Manufacturers	Hatch & Kirk, Inc. (CAGE 55380)

Technical Specifications

Parameter	Value
NSN	2815-00-355-1644
Primary Part Number	R3B
Item Name	Piston
FSC / FSG	2815 / 28 — Diesel Engines and Components
Manufacturer	Hatch & Kirk, 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)

Cross-Reference Index

Part Number	Manufacturer
R3B PRIMARY	Hatch & Kirk, Inc. (USA)

Reference documents

Reference	Meaning
R3B	5/9 Secondary reference U.S. Government activity
R3B	5/9 Secondary reference U.S. Government activity

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 2815-00-355-1644?

NSN 2815-00-355-1644 is a Piston, manufactured by Hatch & Kirk, Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.

What part numbers are listed for NSN 2815-00-355-1644?

NSN 2815-00-355-1644 has 1 manufacturer part number on file: R3B (Hatch & Kirk, Inc.).

Is NSN 2815-00-355-1644 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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