Valve, Calibrated Flow4820-01-422-1478

NSN 4820-01-422-1478 · NIIN 014221478 · Part number 3522DA1/2INCH-011-2

Griswold Controls Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53725

Government record, cited

NSN 4820-01-422-1478 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-422-1478. Manufacturer of record part number: 3522DA1/2INCH-011-2.

Also searched as 4820-01-422-1478 · 4820014221478 · NIIN 014221478 · 01-422-1478 · FSC 4820 Valves, Nonpowered · CAGE 53725 · 3522DA1/2INCH-011-2

Nearby stock numbers ← 4820-01-422-1477 Valve, Calibrated Flow · 4820-01-422-1484 Valve, Calibrated Flow →

4820-01-422-1478 — Valves, Nonpowered

Features

Valve,calibrated Flow — FSC 4820
Temp Rating: 200.0 FAHRENHEIT NOMINAL DEGF
Maximum Inlet Pressure Rating: ERR-060
1 manufacturer part number on file
Manufacturer of record: Griswold Controls Llc

Identification

NSN: 4820-01-422-1478
NIIN: 014221478
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3522DA1/2INCH-011-2
Manufacturer: Griswold Controls Llc

General Description

The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-422-1478, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Griswold Controls Llc. Government technical data includes 2 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-422-1478
Primary Part Number	3522DA1/2INCH-011-2
Item Name	Valve,calibrated Flow
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Griswold Controls Llc
Status	ACTIVE
Temp Rating	200.0 FAHRENHEIT NOMINAL DEGF
Maximum Inlet Pressure Rating	ERR-060

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
3522DA1/2INCH-011-2 PRIMARY	Griswold Controls Llc (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 4820-01-422-1478?

NSN 4820-01-422-1478 is a Valve,calibrated Flow, manufactured by Griswold Controls Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-422-1478?

NSN 4820-01-422-1478 has 1 manufacturer part number on file: 3522DA1/2INCH-011-2 (Griswold Controls Llc).

What are the specifications of 3522DA1/2INCH-011-2?

Key specifications for 3522DA1/2INCH-011-2: Temp Rating: 200.0 FAHRENHEIT NOMINAL DEGF; Special Features: 0.500 NPT; PRESSURE TAPS; 4-57 PSID INSERT REQUIRED CONTROL RANGE; LENGTH 5.130 INCH IN; Maximum Inlet Pressure Rating: ERR-060. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-422-1478 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.

PartsTable Design LLC · partstable.com