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NSN 4820-01-481-4563Government record, cited

Parts Kit, Safety Relief Valve4820-01-481-4563

NSN 4820-01-481-4563 · NIIN 014814563 · Part number R950017

Meritor Heavy Vehicle Systems, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 78500

Government record, cited

NSN 4820-01-481-4563 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-481-4563. Manufacturer of record part number: R950017.

Also searched as 4820-01-481-4563 · 4820014814563 · NIIN 014814563 · 01-481-4563 · FSC 4820 Valves, Nonpowered · CAGE 78500 · R950017 · 432 413 925 2 · 432 413 925 2 · TDA/R950017

Nearby stock numbers ← 4820-01-481-4556 Valve, Vent · 4820-01-481-4583 Valve, Globe →

4820-01-481-4563 — Valves, Nonpowered

Features

Parts Kit,safety Relief Valve — FSC 4820
3 manufacturer part numbers on file
Manufacturer of record: Meritor Heavy Vehicle Systems, Llc

Identification

NSN: 4820-01-481-4563
NIIN: 014814563
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: R950017
Manufacturer: Meritor Heavy Vehicle Systems, Llc

General Description

The Parts Kit,safety Relief Valve, cataloged under National Stock Number 4820-01-481-4563, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Parts Kit,safety Relief Valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Air Brake Systems Pty Ltd (CAGE Z06T2); Meritor Heavy Vehicle Systems, Llc (CAGE 78500); Daimler Truck North America Llc (CAGE 64678)

Technical Specifications

Parameter	Value
NSN	4820-01-481-4563
Primary Part Number	R950017
Item Name	Parts Kit,safety Relief Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Meritor Heavy Vehicle Systems, Llc
Status	ACTIVE

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
432 413 925 2	Air Brake Systems Pty Ltd (AUS)
R950017 PRIMARY	Meritor Heavy Vehicle Systems, Llc (USA)
TDA/R950017	Daimler Truck North America Llc (USA)

Reference documents

Reference	Meaning
432 413 925 2	5/9 Secondary reference Wabco Australia Pty Ltd

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 4820-01-481-4563?

NSN 4820-01-481-4563 is a Parts Kit,safety Relief Valve, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-481-4563?

NSN 4820-01-481-4563 has 3 manufacturer part numbers on file: 432 413 925 2 (Air Brake Systems Pty Ltd), R950017 (Meritor Heavy Vehicle Systems, Llc), TDA/R950017 (Daimler Truck North America Llc).

Is NSN 4820-01-481-4563 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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