PartsTable TECHNICAL DATA SHEET

NSN 4820-01-182-9181Government record, cited

Valve, Vacuum Regulating4820-01-182-9181

NSN 4820-01-182-9181 · NIIN 011829181 · Part number 33908

Visual Edge Technology Inc Dba C4 Imaging Systems · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 60888

Government record, cited

NSN 4820-01-182-9181 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-182-9181. Manufacturer of record part number: 33908.

Also searched as 4820-01-182-9181 · 4820011829181 · NIIN 011829181 · 01-182-9181 · FSC 4820 Valves, Nonpowered · CAGE 60888 · 33908

Nearby stock numbers ← 4820-01-182-9161 Valve, Exhaust Control · 4820-01-182-9221 →

4820-01-182-9181 — Valves, Nonpowered

Features

Valve,vacuum Regulating — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Visual Edge Technology Inc Dba C4 Imaging Systems

Identification

NSN: 4820-01-182-9181
NIIN: 011829181
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 33908
Manufacturer: Visual Edge Technology Inc Dba C4 Imaging Systems

General Description

The Valve,vacuum Regulating, cataloged under National Stock Number 4820-01-182-9181, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Visual Edge Technology Inc Dba C4 Imaging Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Valve,vacuum Regulating
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Visual Edge Technology Inc Dba C4 Imaging Systems (CAGE 60888)

Technical Specifications

Parameter	Value
NSN	4820-01-182-9181
Primary Part Number	33908
Item Name	Valve,vacuum Regulating
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Visual Edge Technology Inc Dba C4 Imaging Systems
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
33908 PRIMARY	Visual Edge Technology Inc Dba C4 Imaging Systems (USA)

Reference documents

Reference	Meaning
33908	5/9 Secondary reference Ozalid Corp

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 4820-01-182-9181?

NSN 4820-01-182-9181 is a Valve,vacuum Regulating, manufactured by Visual Edge Technology Inc Dba C4 Imaging Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-182-9181?

NSN 4820-01-182-9181 has 1 manufacturer part number on file: 33908 (Visual Edge Technology Inc Dba C4 Imaging Systems).

Is NSN 4820-01-182-9181 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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