PartsTable TECHNICAL DATA SHEET

NSN 4820-01-201-9484Government record, cited

Valve, Check4820-01-201-9484

NSN 4820-01-201-9484 · NIIN 012019484 · Part number CKFX0387250AD

The Boeing Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 77272

Government record, cited

NSN 4820-01-201-9484 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-201-9484. Manufacturer of record part number: CKFX0387250AD.

Also searched as 4820-01-201-9484 · 4820012019484 · NIIN 012019484 · 01-201-9484 · FSC 4820 Valves, Nonpowered · CAGE 77272 · CKFX0387250AD

Nearby stock numbers ← 4820-01-201-8913 Disk, Valve · 4820-01-201-9618 Piston, Valve →

4820-01-201-9484 — Valves, Nonpowered

Features

Valve,check — FSC 4820
FSC Application Data: AIRCRAFT H-46
1 manufacturer part number on file
Manufacturer of record: The Boeing Company

Identification

NSN: 4820-01-201-9484
NIIN: 012019484
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: CKFX0387250AD
Manufacturer: The Boeing Company

General Description

The Valve,check, cataloged under National Stock Number 4820-01-201-9484, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Boeing Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-201-9484
Primary Part Number	CKFX0387250AD
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	The Boeing Company
Status	ACTIVE
FSC Application Data	AIRCRAFT H-46

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
CKFX0387250AD PRIMARY	The Boeing Company (USA)

Reference documents

Reference	Meaning
CKFX0387250AD	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 4820-01-201-9484?

NSN 4820-01-201-9484 is a Valve,check, manufactured by The Boeing Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-201-9484?

NSN 4820-01-201-9484 has 1 manufacturer part number on file: CKFX0387250AD (The Boeing Company).

What are the specifications of CKFX0387250AD?

Key specifications for CKFX0387250AD: FSC Application Data: AIRCRAFT H-46. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-201-9484 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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