Valve, Safety Relief4820-01-394-3320

NSN 4820-01-394-3320 · NIIN 013943320 · Part number 20203TYPE1741-T REV N

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 15187

Government record, cited

NSN 4820-01-394-3320 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-394-3320. Manufacturer of record part number: 20203TYPE1741-T REV N.

Also searched as 4820-01-394-3320 · 4820013943320 · NIIN 013943320 · 01-394-3320 · FSC 4820 Valves, Nonpowered · CAGE 15187 · 20203TYPE1741-T REV N · 20203HM41M

Nearby stock numbers ← 4820-01-394-3319 · 4820-01-394-3324 Ball, Valve, Ported →

4820-01-394-3320 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

Identification

NSN: 4820-01-394-3320
NIIN: 013943320
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 20203TYPE1741-T REV N
Manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-394-3320, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-394-3320
Primary Part Number	20203TYPE1741-T REV N
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
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
20203TYPE1741-T REV N PRIMARY	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20203HM41M PRIMARY	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)

Frequently Asked Questions

What is NSN 4820-01-394-3320?

NSN 4820-01-394-3320 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-394-3320?

NSN 4820-01-394-3320 has 2 manufacturer part numbers on file: 20203TYPE1741-T REV N (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20203HM41M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What are the specifications of 20203TYPE1741-T REV N?

Key specifications for 20203TYPE1741-T REV N: End Item Identification: SEAWOLF SUBMARINE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-394-3320 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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