Valve, Safety Relief4820-01-701-5453

NSN 4820-01-701-5453 · NIIN 017015453 · Part number 2050-4KG1-6INCH

Cla-Val Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 2P178

Government record, cited

NSN 4820-01-701-5453 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-701-5453. Manufacturer of record part number: 2050-4KG1-6INCH.

Also searched as 4820-01-701-5453 · 4820017015453 · NIIN 017015453 · 01-701-5453 · FSC 4820 Valves, Nonpowered · CAGE 2P178 · 2050-4KG1-6INCH

Nearby stock numbers ← 4820-01-701-5447 Valve, Check · 4820-01-701-5494 Valve, Vent →

4820-01-701-5453 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 6.0 INCHES IN
Material: IRON BODY
1 manufacturer part number on file
Manufacturer of record: Cla-Val Co

Identification

NSN: 4820-01-701-5453
NIIN: 017015453
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2050-4KG1-6INCH
Manufacturer: Cla-Val Co

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-701-5453, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cla-Val Co. Government technical data includes 3 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	4820-01-701-5453
Primary Part Number	2050-4KG1-6INCH
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Cla-Val Co
Status	ACTIVE
Operating Pressure	300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size	6.0 INCHES IN
Material	IRON BODY

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
2050-4KG1-6INCH PRIMARY	Cla-Val Co (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 4820-01-701-5453?

NSN 4820-01-701-5453 is a Valve,safety Relief, manufactured by Cla-Val Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-701-5453?

NSN 4820-01-701-5453 has 1 manufacturer part number on file: 2050-4KG1-6INCH (Cla-Val Co).

What are the specifications of 2050-4KG1-6INCH?

Key specifications for 2050-4KG1-6INCH: Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 6.0 INCHES IN; Part Name Assigned by Controlling Agency: FIRE PROTECTION PRESSURE RELIEF VALVE; Material: IRON BODY. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-701-5453 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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