Valve, Relief, Pressure and Temper4820-01-562-4246

NSN 4820-01-562-4246 · NIIN 015624246

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-562-4246 · 4820015624246 · NIIN 015624246 · 01-562-4246 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-01-562-4245 Valve, Relief, Pressure and Temper · 4820-01-562-4267 Parts Kit, Valve →

4820-01-562-4246 — Valves, Nonpowered

Features

Valve,relief,pressure and Temper — FSC 4820
Material: STEEL CORROSION RESISTING STEM

Identification

NSN: 4820-01-562-4246
NIIN: 015624246
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-562-4246, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-562-4246
Item Name	Valve,relief,pressure and Temper
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Material	STEEL CORROSION RESISTING STEM

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
VRP3500	3/9 Design control — primary reference Bayco Inc

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 4820-01-562-4246?

NSN 4820-01-562-4246 is a Valve,relief,pressure and Temper, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-562-4246?

Key specifications for 4820-01-562-4246: Special Features: INSTALLED IN VAPOR PLUMBING AS A SAFETY DEVICE TO RELIEVE PRESSURE OR VACUUM BUILD UP WHEN VAPOR SYSTEM IS BLOCKED DURING LOADING/UNLOADING; 4 IN. TTMA ALUMINUM FLANGE MOUNTING; BUNA SEALS; VENT CONSISTS OF 1 BODY PART NO. VRP3500-1, 1 BASKET BASE PART NO. VRP3500-2, 1 GASKET PART NO. VRV3501-3, 1 BUSHING PART NO. VRP3500-4, 1 SPRING RETAINER PART NO. VRV3501-5, 1 SHAFT FOR VRP3500 PART NO. VRP3501-6, 1 SHAFT FOR VRP3600 PART NO. 390552, 1 PIN PART NO. PIN 3/16X1/S/SS, 1 SPRING PART NO. SPRG/L4506, 1 SCREW PART NO. SC5/16NCX.75FSS IN; Part Name Assigned by Controlling Agency: OUTBREATHING VENT; End Item Identification: MC306; Material: STEEL CORROSION RESISTING STEM. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-562-4246 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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