Valve, Calibrated Flow4820-01-565-6577

NSN 4820-01-565-6577 · NIIN 015656577

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-565-6577 · 4820015656577 · NIIN 015656577 · 01-565-6577 · FSC 4820 Valves, Nonpowered · NVH081S · NVH081S · 4820PL1626853

Nearby stock numbers ← 4820-01-565-6561 Valve, Check · 4820-01-565-6684 Valve, Shuttle →

4820-01-565-6577 — Valves, Nonpowered

Features

Valve,calibrated Flow — FSC 4820
Flow Control Device: NEEDLE
Body Style: SCREW-IN CARTRIDGE
End Connection Quantity: 1
First End Connection Type: THREADED CARTRIDGE
Material: STEEL BODY
Material: STEEL FLOW CONTROL DEVICE
Media for Which Designed: HYDRAULIC OIL

Identification

NSN: 4820-01-565-6577
NIIN: 015656577
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-565-6577, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-565-6577
Item Name	Valve,calibrated Flow
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	NEEDLE
Body Style	SCREW-IN CARTRIDGE
End Connection Quantity	1
First End Connection Type	THREADED CARTRIDGE
Material	STEEL BODY
Material	STEEL FLOW CONTROL DEVICE
Media for Which Designed	HYDRAULIC OIL
Maximum Inlet Pressure Rating	ERR-060
Thread Size and Series/type Designator	0 UNF FIRST END
Valve Discharge Flow Rate	10.0 GALLONS PER MINUTE

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
NVH081S	3/2 Design control — primary reference U.S. Government activity
NVH081S	3/9 Design control — primary reference Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division
4820PL1626853	6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index

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 4820-01-565-6577?

NSN 4820-01-565-6577 is a Valve,calibrated Flow, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-565-6577?

Key specifications for 4820-01-565-6577: Flow Control Device: NEEDLE; Body Style: SCREW-IN CARTRIDGE; End Connection Quantity: 1; First End Connection Type: THREADED CARTRIDGE. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-565-6577 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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