Diaphragm, Actuator Valve, Special4820-01-244-9987

NSN 4820-01-244-9987 · NIIN 012449987 · Part number 22-0440-00

A-Dec Inc Dba a-Dec · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 51840

Government record, cited

NSN 4820-01-244-9987 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-244-9987. Manufacturer of record part number: 22-0440-00.

Also searched as 4820-01-244-9987 · 4820012449987 · NIIN 012449987 · 01-244-9987 · FSC 4820 Valves, Nonpowered · CAGE 51840 · 22-0440-00

Nearby stock numbers ← 4820-01-244-9929 Valve, Regulating, System Pressure · 4820-01-245-0180 Valve, Check →

4820-01-244-9987 — Valves, Nonpowered

Features

Diaphragm,actuator Valve,special — FSC 4820
Material Thickness: 0.130 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: A-Dec Inc Dba a-Dec

Identification

NSN: 4820-01-244-9987
NIIN: 012449987
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 22-0440-00
Manufacturer: A-Dec Inc Dba a-Dec

General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-244-9987, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is A-Dec Inc Dba a-Dec. 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-244-9987
Primary Part Number	22-0440-00
Item Name	Diaphragm,actuator Valve,special
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	A-Dec Inc Dba a-Dec
Status	ACTIVE
Material Thickness	0.130 INCHES NOMINAL IN

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
22-0440-00 PRIMARY	A-Dec Inc Dba a-Dec (USA)

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 4820-01-244-9987?

NSN 4820-01-244-9987 is a Diaphragm,actuator Valve,special, manufactured by A-Dec Inc Dba a-Dec, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-244-9987?

NSN 4820-01-244-9987 has 1 manufacturer part number on file: 22-0440-00 (A-Dec Inc Dba a-Dec).

What are the specifications of 22-0440-00?

Key specifications for 22-0440-00: Overall Length: 1.000 INCHES NOMINAL IN; Overall Width: 1.000 INCHES NOMINAL IN; Material Thickness: 0.130 INCHES NOMINAL IN; Special Features: MATERIAL: FAIRPRENE, FIBER IMPREGNATED. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-244-9987 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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