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NSN 4820-01-489-5721Government record, cited

Valve, Safety Relief4820-01-489-5721

NSN 4820-01-489-5721 · NIIN 014895721 · Part number 3V0035

Power Test, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 9W788

Government record, cited

NSN 4820-01-489-5721 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-489-5721. Manufacturer of record part number: 3V0035.

Also searched as 4820-01-489-5721 · 4820014895721 · NIIN 014895721 · 01-489-5721 · FSC 4820 Valves, Nonpowered · CAGE 9W788 · 3V0035

Nearby stock numbers ← 4820-01-489-5623 Valve, Flow Control · 4820-01-489-5812 Valve, Flow Control →

4820-01-489-5721 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Power Test, Llc

Identification

NSN: 4820-01-489-5721
NIIN: 014895721
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3V0035
Manufacturer: Power Test, Llc

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-489-5721, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Power Test, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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,safety Relief
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Power Test, Llc (CAGE 9W788)

Technical Specifications

Parameter	Value
NSN	4820-01-489-5721
Primary Part Number	3V0035
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Power Test, Llc
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
3V0035 PRIMARY	Power Test, Llc (USA)

Reference documents

Reference	Meaning
3V0035	3/9 Design control — primary reference Aidco International, Inc Dba Aidco International

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 4820-01-489-5721?

NSN 4820-01-489-5721 is a Valve,safety Relief, manufactured by Power Test, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-489-5721?

NSN 4820-01-489-5721 has 1 manufacturer part number on file: 3V0035 (Power Test, Llc).

Is NSN 4820-01-489-5721 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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