Valve, Linear, Directional Control4820-01-648-7656

NSN 4820-01-648-7656 · NIIN 016487656 · Part number 1221A2003

Ross Controls Incorporated · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1PQK5

Government record, cited

NSN 4820-01-648-7656 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-648-7656. Manufacturer of record part number: 1221A2003.

Also searched as 4820-01-648-7656 · 4820016487656 · NIIN 016487656 · 01-648-7656 · FSC 4820 Valves, Nonpowered · CAGE 1PQK5 · 1221A2003 · W1221A2003

Nearby stock numbers ← 4820-01-648-7232 Valve, Foot · 4820-01-648-7762 Repair Kit, Valve →

4820-01-648-7656 — Valves, Nonpowered

Features

Valve,linear,directional Control — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Ross Controls Incorporated

Identification

NSN: 4820-01-648-7656
NIIN: 016487656
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1221A2003
Manufacturer: Ross Controls Incorporated

General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-648-7656, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ross Controls Incorporated. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-648-7656
Primary Part Number	1221A2003
Item Name	Valve,linear,directional Control
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Ross Controls Incorporated
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
W1221A2003	Advanced Pneumatic Marine Gmbh (DEU)
1221A2003 PRIMARY	Ross Controls Incorporated (USA)

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 4820-01-648-7656?

NSN 4820-01-648-7656 is a Valve,linear,directional Control, manufactured by Ross Controls Incorporated, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-648-7656?

NSN 4820-01-648-7656 has 2 manufacturer part numbers on file: W1221A2003 (Advanced Pneumatic Marine Gmbh), 1221A2003 (Ross Controls Incorporated).

What are the specifications of 1221A2003?

Key specifications for 1221A2003: Part Name Assigned by Controlling Agency: VALVE LINEAR DIRECTIONAL CONTROL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-648-7656 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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