Disk, Valve4820-01-321-6534

NSN 4820-01-321-6534 · NIIN 013216534 · Part number 2498-00-257-1,-9,-11&-8(3PC)

Leslie Controls, Inc. Dba Leslie Controls Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 35795

Government record, cited

NSN 4820-01-321-6534 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-321-6534. Manufacturer of record part number: 2498-00-257-1,-9,-11&-8(3PC).

Also searched as 4820-01-321-6534 · 4820013216534 · NIIN 013216534 · 01-321-6534 · FSC 4820 Valves, Nonpowered · CAGE 35795 · 2498-00-257-1,-9,-11&-8(3PC) · 408542 · 2498-00-257-9

Nearby stock numbers ← 4820-01-321-6469 · 4820-01-321-6770 Valve, Saddle →

4820-01-321-6534 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Material: STEEL CORROSION RESISTING
1 manufacturer part number on file
Manufacturer of record: Leslie Controls, Inc. Dba Leslie Controls Inc

Identification

NSN: 4820-01-321-6534
NIIN: 013216534
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2498-00-257-1,-9,-11&-8(3PC)
Manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-321-6534, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-321-6534
Primary Part Number	2498-00-257-1,-9,-11&-8(3PC)
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Leslie Controls, Inc. Dba Leslie Controls Inc
Status	ACTIVE
Material	STEEL CORROSION RESISTING

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
2498-00-257-1,-9,-11&-8(3PC) PRIMARY	Leslie Controls, Inc. Dba Leslie Controls Inc (USA)

Reference documents

Reference	Meaning
408542	5/9 Secondary reference Circor Intl Inc
2498-00-257-1,-9,-11&-8(3PC)	5/9 Secondary reference Circor Intl Inc
2498-00-257-9	5/9 Secondary reference Circor Intl Inc

Frequently Asked Questions

What is NSN 4820-01-321-6534?

NSN 4820-01-321-6534 is a Disk,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-321-6534?

NSN 4820-01-321-6534 has 1 manufacturer part number on file: 2498-00-257-1,-9,-11&-8(3PC) (Leslie Controls, Inc. Dba Leslie Controls Inc).

What are the specifications of 2498-00-257-1,-9,-11&-8(3PC)?

Key specifications for 2498-00-257-1,-9,-11&-8(3PC): Material: STEEL CORROSION RESISTING. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-321-6534 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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