PartsTable TECHNICAL DATA SHEET

NSN 4820-01-414-2260Government record, cited

Valve, Check4820-01-414-2260

NSN 4820-01-414-2260 · NIIN 014142260 · Part number 20000500001-001

The Boeing Company Div Legacy Am&m · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 43999

Government record, cited

NSN 4820-01-414-2260 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-414-2260. Manufacturer of record part number: 20000500001-001.

Also searched as 4820-01-414-2260 · 4820014142260 · NIIN 014142260 · 01-414-2260 · FSC 4820 Valves, Nonpowered · CAGE 43999 · 20000500001-001 · 20000500001

Nearby stock numbers ← 4820-01-414-2137 Cock, Poppet Drain · 4820-01-414-2268 Seat, Valve →

4820-01-414-2260 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: DISK
Mounting Position: HORIZONTAL OR VERTICAL
Style Designator: STRAIGHT THRU
Disk Loading Method: SPRING
Media for Which Designed: AIR SINGLE RESPONSE
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file

Identification

NSN: 4820-01-414-2260
NIIN: 014142260
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 20000500001-001
Manufacturer: The Boeing Company Div Legacy Am&m

General Description

The Valve,check, cataloged under National Stock Number 4820-01-414-2260, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-414-2260
Primary Part Number	20000500001-001
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	The Boeing Company Div Legacy Am&m
Status	ACTIVE
Flow Control Device	DISK
Mounting Position	HORIZONTAL OR VERTICAL
Style Designator	STRAIGHT THRU
Disk Loading Method	SPRING
Media for Which Designed	AIR SINGLE RESPONSE
Valve Operation Method	AUTOMATIC

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
20000500001-001 PRIMARY	The Boeing Company Div Legacy Am&m (USA)

Reference documents

Reference	Meaning
20000500001	D/9 Drawing number reference only The Boeing Company Div Legacy Am&m

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 4820-01-414-2260?

NSN 4820-01-414-2260 is a Valve,check, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-414-2260?

NSN 4820-01-414-2260 has 1 manufacturer part number on file: 20000500001-001 (The Boeing Company Div Legacy Am&m).

What are the specifications of 20000500001-001?

Key specifications for 20000500001-001: Flow Control Device: DISK; Mounting Position: HORIZONTAL OR VERTICAL; Style Designator: STRAIGHT THRU; Disk Loading Method: SPRING. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-414-2260 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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