Valve, Safety Relief4820-01-388-9396

NSN 4820-01-388-9396 · NIIN 013889396 · Part number HNP-MS-55

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

Government record, cited

NSN 4820-01-388-9396 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-388-9396. Manufacturer of record part number: HNP-MS-55.

Also searched as 4820-01-388-9396 · 4820013889396 · NIIN 013889396 · 01-388-9396 · FSC 4820 Valves, Nonpowered · CAGE 15187 · HNP-MS-55

Nearby stock numbers ← 4820-01-388-9392 Stem, Fluid Valve · 4820-01-388-9400 Cap, Valve →

4820-01-388-9396 — Valves, Nonpowered

Features

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

Identification

NSN: 4820-01-388-9396
NIIN: 013889396
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: HNP-MS-55
Manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-388-9396, 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 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	4820-01-388-9396
Primary Part Number	HNP-MS-55
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
HNP-MS-55 PRIMARY	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (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 4820-01-388-9396?

NSN 4820-01-388-9396 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 4820-01-388-9396?

NSN 4820-01-388-9396 has 1 manufacturer part number on file: HNP-MS-55 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What are the specifications of HNP-MS-55?

Key specifications for HNP-MS-55: End Item Identification: MISC SHORE BASED SPARES FOR AKR 0293. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-388-9396 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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