Valve, Vent4820-01-286-1976

NSN 4820-01-286-1976 · NIIN 012861976

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-286-1976 · 4820012861976 · NIIN 012861976 · 01-286-1976 · FSC 4820 Valves, Nonpowered · VV-4-71305577 · VV-0400-71305577

Nearby stock numbers ← 4820-01-286-1975 Valve, Ball · 4820-01-286-1977 Valve, Expansion →

4820-01-286-1976 — Valves, Nonpowered

Features

Valve,vent — FSC 4820
Flange Shape: ROUND FIRST END
Flange Face Design: PLAIN FIRST END
Connection Type: FLANGE FIRST END
Style Designator: STRAIGHT THRU
Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Outside Diameter: 4.000 INCHES FIRST END IN
Media for Which Designed: AIR SINGLE RESPONSE

Identification

NSN: 4820-01-286-1976
NIIN: 012861976
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,vent, cataloged under National Stock Number 4820-01-286-1976, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-286-1976
Item Name	Valve,vent
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flange Shape	ROUND FIRST END
Flange Face Design	PLAIN FIRST END
Connection Type	FLANGE FIRST END
Style Designator	STRAIGHT THRU
Operating Pressure	150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Outside Diameter	4.000 INCHES FIRST END IN
Media for Which Designed	AIR SINGLE RESPONSE
Material	STEEL BODY
Material	NICKEL ALLOY FLOW CONTROL DEVICE
Material	COPPER ALLOY SEAT

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
VV-4-71305577	5/9 Secondary reference Kings Point Machinery Inc Dba Kpm
VV-0400-71305577	3/9 Design control — primary reference Kings Point Machinery Inc Dba Kpm

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 4820-01-286-1976?

NSN 4820-01-286-1976 is a Valve,vent, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-286-1976?

Key specifications for 4820-01-286-1976: Flange Shape: ROUND FIRST END; Flange Face Design: PLAIN FIRST END; Connection Type: FLANGE FIRST END; Style Designator: STRAIGHT THRU. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-286-1976 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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