PartsTable TECHNICAL DATA SHEET

NSN 4820-01-030-9242Government record, cited

Piston, Valve4820-01-030-9242

NSN 4820-01-030-9242 · NIIN 010309242 · Part number 2633446

Parker-Hannifin Corporation Dba Pneutronics · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 3H889

Government record, cited

NSN 4820-01-030-9242 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-030-9242. Manufacturer of record part number: 2633446.

Also searched as 4820-01-030-9242 · 4820010309242 · NIIN 010309242 · 01-030-9242 · FSC 4820 Valves, Nonpowered · CAGE 3H889 · 2633446

Nearby stock numbers ← 4820-01-030-9169 · 4820-01-030-9271 Disk, Valve →

4820-01-030-9242 — Valves, Nonpowered

Features

Piston,valve — FSC 4820
Outside Diameter: 1.978 INCHES NOMINAL IN
Material Document and Classification: QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Surface Treatment: ANODIZE
Material: ALUMINUM ALLOY
1 manufacturer part number on file
Manufacturer of record: Parker-Hannifin Corporation Dba Pneutronics

Identification

NSN: 4820-01-030-9242
NIIN: 010309242
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2633446
Manufacturer: Parker-Hannifin Corporation Dba Pneutronics

General Description

The Piston,valve, cataloged under National Stock Number 4820-01-030-9242, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	4820-01-030-9242
Primary Part Number	2633446
Item Name	Piston,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Parker-Hannifin Corporation Dba Pneutronics
Status	ACTIVE
Outside Diameter	1.978 INCHES NOMINAL IN
Material Document and Classification	QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Surface Treatment	ANODIZE
Material	ALUMINUM ALLOY

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
2633446 PRIMARY	Parker-Hannifin Corporation Dba Pneutronics (USA)

Reference documents

Reference	Meaning
2633446	3/9 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

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

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-030-9242?

NSN 4820-01-030-9242 is a Piston,valve, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-030-9242?

NSN 4820-01-030-9242 has 1 manufacturer part number on file: 2633446 (Parker-Hannifin Corporation Dba Pneutronics).

What are the specifications of 2633446?

Key specifications for 2633446: Outside Diameter: 1.978 INCHES NOMINAL IN; Material Document and Classification: QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE; Surface Treatment: ANODIZE; Material: ALUMINUM ALLOY. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-030-9242 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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