Valve, Check4820-01-684-6568

NSN 4820-01-684-6568 · NIIN 016846568 · Part number 40639-082

Hutchinson Industries, Inc Div Defense and Industry · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 62161

Government record, cited

NSN 4820-01-684-6568 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-684-6568. Manufacturer of record part number: 40639-082.

Also searched as 4820-01-684-6568 · 4820016846568 · NIIN 016846568 · 01-684-6568 · FSC 4820 Valves, Nonpowered · CAGE 62161 · 40639-082 · 40457 · 40457-082 · 40457-C

Nearby stock numbers ← 4820-01-684-6049 Valve, Throttle · 4820-01-684-6858 Repair Kit, Valve →

4820-01-684-6568 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Hutchinson Industries, Inc Div Defense and Industry

Identification

NSN: 4820-01-684-6568
NIIN: 016846568
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 40639-082
Manufacturer: Hutchinson Industries, Inc Div Defense and Industry

General Description

The Valve,check, cataloged under National Stock Number 4820-01-684-6568, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hutchinson Industries, Inc Div Defense and Industry. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Hutchinson Industries, Inc Div Defense and Industry (CAGE 62161)

Technical Specifications

Parameter	Value
NSN	4820-01-684-6568
Primary Part Number	40639-082
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hutchinson Industries, Inc Div Defense and Industry
Status	ACTIVE

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
40639-082 PRIMARY	Hutchinson Industries, Inc Div Defense and Industry (USA)

Reference documents

Reference	Meaning
40457	5/9 Secondary reference Hutchinson Industries, Inc Div Defense and Industry
40457-082	3/9 Design control — primary reference Hutchinson Industries, Inc Div Defense and Industry
40457-C	D/9 Drawing number reference only Hutchinson Industries, Inc Div Defense and Industry

Frequently Asked Questions

What is NSN 4820-01-684-6568?

NSN 4820-01-684-6568 is a Valve,check, manufactured by Hutchinson Industries, Inc Div Defense and Industry, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-684-6568?

NSN 4820-01-684-6568 has 1 manufacturer part number on file: 40639-082 (Hutchinson Industries, Inc Div Defense and Industry).

Is NSN 4820-01-684-6568 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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