PartsTable TECHNICAL DATA SHEET

NSN 4820-01-321-8538Government record, cited

Disk, Valve4820-01-321-8538

NSN 4820-01-321-8538 · NIIN 013218538 · Part number R431000526

Aventics Corp Div Aventics Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 7AJK0

Government record, cited

NSN 4820-01-321-8538 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-321-8538. Manufacturer of record part number: R431000526.

Also searched as 4820-01-321-8538 · 4820013218538 · NIIN 013218538 · 01-321-8538 · FSC 4820 Valves, Nonpowered · CAGE 7AJK0 · R431000526 · P5154-2 · P5154-2

Nearby stock numbers ← 4820-01-321-8537 · 4820-01-321-8714 Valve, Calibrated Flow →

4820-01-321-8538 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Material: ALUMINUM
2 manufacturer part numbers on file
Manufacturer of record: Aventics Corp Div Aventics Corporation

Identification

NSN: 4820-01-321-8538
NIIN: 013218538
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: R431000526
Manufacturer: Aventics Corp Div Aventics Corporation

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-321-8538, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aventics Corp Div Aventics Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-321-8538
Primary Part Number	R431000526
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Aventics Corp Div Aventics Corporation
Status	ACTIVE
Material	ALUMINUM

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
R431000526	Aventics Corp Div Aventics Corporation (USA)
P5154-2	Aventics Corp Div Aventics Corporation (USA)

Reference documents

Reference	Meaning
R431000526	5/9 Secondary reference Bosch Rexroth Corporation Div Bosch Rexroth
P5154-2	3/9 Design control — primary reference Bosch Rexroth Corporation Div Bosch Rexroth

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 4820-01-321-8538?

NSN 4820-01-321-8538 is a Disk,valve, manufactured by Aventics Corp Div Aventics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-321-8538?

NSN 4820-01-321-8538 has 2 manufacturer part numbers on file: R431000526 (Aventics Corp Div Aventics Corporation), P5154-2 (Aventics Corp Div Aventics Corporation).

What are the specifications of R431000526?

Key specifications for R431000526: Material: ALUMINUM. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-321-8538 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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