Valve, Safety Relief4820-01-443-5676

NSN 4820-01-443-5676 · NIIN 014435676

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-443-5676 · 4820014435676 · NIIN 014435676 · 01-443-5676 · FSC 4820 Valves, Nonpowered · D11400 · D50FF-05-1-1/4-1-1/4

Nearby stock numbers ← 4820-01-443-5630 Valve, Butterfly · 4820-01-443-6118 Valve, Safety Relief →

4820-01-443-5676 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Flow Control Device: DISK
Furnished Items and Quantity: 1 LEVER
Flange Face Design: PLAIN ALL ENDS
Connection Type: FLANGE ALL ENDS
Style Designator: ANGLE FLANGED ENDS
Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 1.250 INCHES IN

Identification

NSN: 4820-01-443-5676
NIIN: 014435676
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-443-5676, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-443-5676
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	DISK
Furnished Items and Quantity	1 LEVER
Flange Face Design	PLAIN ALL ENDS
Connection Type	FLANGE ALL ENDS
Style Designator	ANGLE FLANGED ENDS
Operating Pressure	400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size	1.250 INCHES IN
Maximum Operating Temp	200.0 FAHRENHEIT SINGLE RESPONSE DEGF
Media for Which Designed	LIQUID SINGLE RESPONSE
Material	BRONZE BODY
Material	NICKEL ALLOY FLOW CONTROL DEVICE
Material	NICKEL ALLOY SEAT
Material	STEEL CORROSION RESISTING STEM
Valve Operation Method	MANUAL

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
D11400	5/9 Secondary reference Danco Valve Company
D50FF-05-1-1/4-1-1/4	3/9 Design control — primary reference Danco Valve Company

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 4820-01-443-5676?

NSN 4820-01-443-5676 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-443-5676?

Key specifications for 4820-01-443-5676: Flow Control Device: DISK; Furnished Items and Quantity: 1 LEVER; Flange Face Design: PLAIN ALL ENDS; Connection Type: FLANGE ALL ENDS. 14 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-443-5676 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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