Valve, Restrictor Check4820-01-385-5949

NSN 4820-01-385-5949 · NIIN 013855949

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-385-5949 · 4820013855949 · NIIN 013855949 · 01-385-5949 · FSC 4820 Valves, Nonpowered · 6F3552 · DAA3221P604-141

Nearby stock numbers ← 4820-01-385-5878 Valve, Check · 4820-01-385-5996 Gear Operator, Valve →

4820-01-385-5949 — Valves, Nonpowered

Features

Valve,restrictor Check — FSC 4820
Criticality Code Justification: AGAV
Media for Which Designed: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE

Identification

NSN: 4820-01-385-5949
NIIN: 013855949
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,restrictor Check, cataloged under National Stock Number 4820-01-385-5949, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-385-5949
Item Name	Valve,restrictor Check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Criticality Code Justification	AGAV
Media for Which Designed	HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	Y

Cross-Reference Index

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

Reference documents

Reference	Meaning
6F3552	3/2 Design control — primary reference U.S. Government activity
DAA3221P604-141	1/2 Source control — Government-approved source 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 4820-01-385-5949?

NSN 4820-01-385-5949 is a Valve,restrictor Check, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-385-5949?

Key specifications for 4820-01-385-5949: Criticality Code Justification: AGAV; Media for Which Designed: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE; End Item Identification: ACFT, TYPE B-2. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-385-5949 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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