PartsTable TECHNICAL DATA SHEET

NSN 2805-00-422-9866Government record, cited

Rocker Arm, Engine Poppet Valve2805-00-422-9866

NSN 2805-00-422-9866 · NIIN 004229866 · Part number A98-49

Dresser Industries Inc Waukesha Engine Div · FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 71995

Government record, cited

NSN 2805-00-422-9866 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-422-9866. Manufacturer of record part number: A98-49.

Also searched as 2805-00-422-9866 · 2805004229866 · NIIN 004229866 · 00-422-9866 · FSC 2805 Gasoline Reciprocating Engines, Except Aircraft; and Components · CAGE 71995 · A98-49 · 610660 · 610660

Nearby stock numbers ← 2805-00-422-9865 · 2805-00-422-9867 →

Features

Rocker Arm,engine Poppet Valve — FSC 2805
2 manufacturer part numbers on file
Manufacturer of record: Dresser Industries Inc Waukesha Engine Div

Identification

NSN: 2805-00-422-9866
NIIN: 004229866
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: A98-49
Manufacturer: Dresser Industries Inc Waukesha Engine Div

General Description

The Rocker Arm,engine Poppet Valve, cataloged under National Stock Number 2805-00-422-9866, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Dresser Industries Inc Waukesha Engine Div. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Rocker Arm,engine Poppet Valve
FSC / FSG	2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components (FSG 28)
Manufacturers	Dresser Industries Inc Waukesha Engine Div (CAGE 71995); Aqua-Chem, Inc. Dba Aqua-Chem Inc (CAGE 0EXU3)

Technical Specifications

Parameter	Value
NSN	2805-00-422-9866
Primary Part Number	A98-49
Item Name	Rocker Arm,engine Poppet Valve
FSC / FSG	2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components
Manufacturer	Dresser Industries Inc Waukesha Engine Div
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
A98-49 PRIMARY	Dresser Industries Inc Waukesha Engine Div (USA)
610660	Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)

Reference documents

Reference	Meaning
610660	5/9 Secondary reference Aqua-Chem Inc Cleaver-Brooks Div

No interchangeability data on file.

Other items in FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components

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

2805-00-010-2959

2805-00-010-2959 · Item name not on file

2805-00-066-3426

TAPPET,ENGINE POPPET VALVE

2805-00-326-0797

SPRING,COUPLING FLA

2805-00-395-7778

BALL,BY-PASS VALVE

2805-00-422-9321

RING SET,PISTON

2805-00-447-9114

VALVE,POPPET,ENGINE

2805-00-448-0786

CAMSHAFT

2805-00-561-9463

GUIDE,VALVE STEM

Frequently Asked Questions

What is NSN 2805-00-422-9866?

NSN 2805-00-422-9866 is a Rocker Arm,engine Poppet Valve, manufactured by Dresser Industries Inc Waukesha Engine Div, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.

What part numbers are listed for NSN 2805-00-422-9866?

NSN 2805-00-422-9866 has 2 manufacturer part numbers on file: A98-49 (Dresser Industries Inc Waukesha Engine Div), 610660 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).

Is NSN 2805-00-422-9866 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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