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NSN 4820-01-313-4048Government record, cited

Valve, Safety Relief4820-01-313-4048

NSN 4820-01-313-4048 · NIIN 013134048 · Part number VD33

Compass Water Solutions, Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1QA97

Government record, cited

NSN 4820-01-313-4048 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-313-4048. Manufacturer of record part number: VD33.

Also searched as 4820-01-313-4048 · 4820013134048 · NIIN 013134048 · 01-313-4048 · FSC 4820 Valves, Nonpowered · CAGE 1QA97 · VD33

Nearby stock numbers ← 4820-01-313-3931 · 4820-01-313-4061 Stem, Fluid Valve →

4820-01-313-4048 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Compass Water Solutions, Inc

Identification

NSN: 4820-01-313-4048
NIIN: 013134048
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: VD33
Manufacturer: Compass Water Solutions, Inc

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-313-4048, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Compass Water Solutions, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,safety Relief
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Compass Water Solutions, Inc (CAGE 1QA97)

Technical Specifications

Parameter	Value
NSN	4820-01-313-4048
Primary Part Number	VD33
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Compass Water Solutions, Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
VD33 PRIMARY	Compass Water Solutions, Inc (USA)

Reference documents

Reference	Meaning
VD33	5/9 Secondary reference Separation & Recovery Systems Inc
VD33	5/9 Secondary reference Mead Co

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 4820-01-313-4048?

NSN 4820-01-313-4048 is a Valve,safety Relief, manufactured by Compass Water Solutions, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-313-4048?

NSN 4820-01-313-4048 has 1 manufacturer part number on file: VD33 (Compass Water Solutions, Inc).

Is NSN 4820-01-313-4048 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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