Valve, Safety Relief4820-01-284-2178

NSN 4820-01-284-2178 · NIIN 012842178 · Part number 376-47119B

Johnson Controls Navy Systems, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 66935

Government record, cited

NSN 4820-01-284-2178 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-284-2178. Manufacturer of record part number: 376-47119B.

Also searched as 4820-01-284-2178 · 4820012842178 · NIIN 012842178 · 01-284-2178 · FSC 4820 Valves, Nonpowered · CAGE 66935 · 376-47119B

Nearby stock numbers ← 4820-01-284-2177 Valve, Safety Relief · 4820-01-284-2179 Valve, Safety Relief →

4820-01-284-2178 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Opening Pressure Setting: 225.0 POUNDS PER SQUARE INCH LBS
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file
Manufacturer of record: Johnson Controls Navy Systems, Llc

Identification

NSN: 4820-01-284-2178
NIIN: 012842178
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 376-47119B
Manufacturer: Johnson Controls Navy Systems, Llc

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-284-2178, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Johnson Controls Navy Systems, Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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	4820-01-284-2178
Primary Part Number	376-47119B
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Johnson Controls Navy Systems, Llc
Status	ACTIVE
Opening Pressure Setting	225.0 POUNDS PER SQUARE INCH LBS
Valve Operation Method	AUTOMATIC

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
376-47119B PRIMARY	Johnson Controls Navy Systems, Llc (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 4820-01-284-2178?

NSN 4820-01-284-2178 is a Valve,safety Relief, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-284-2178?

NSN 4820-01-284-2178 has 1 manufacturer part number on file: 376-47119B (Johnson Controls Navy Systems, Llc).

What are the specifications of 376-47119B?

Key specifications for 376-47119B: Opening Pressure Setting: 225.0 POUNDS PER SQUARE INCH LBS; Valve Operation Method: AUTOMATIC. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-284-2178 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.

PartsTable Design LLC · partstable.com