Disk, Valve4820-01-189-9011

NSN 4820-01-189-9011 · NIIN 011899011

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-189-9011 · 4820011899011 · NIIN 011899011 · 01-189-9011 · FSC 4820 Valves, Nonpowered · 310718 · 310703 · 1330R ITEM 6

Nearby stock numbers ← 4820-01-189-8846 Valve, Linear, Directional Control · 4820-01-189-9012 Disk, Valve →

4820-01-189-9011 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Outside Diameter: 0.750 INCHES NOMINAL IN
Style Designator: PLAIN
Inside Diameter: 0.257 INCHES NOMINAL IN
Material: STEEL CORROSION RESISTING AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

Identification

NSN: 4820-01-189-9011
NIIN: 011899011
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-189-9011, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-189-9011
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Outside Diameter	0.750 INCHES NOMINAL IN
Style Designator	PLAIN
Inside Diameter	0.257 INCHES NOMINAL IN
Material	STEEL CORROSION RESISTING AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

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
310718	5/9 Secondary reference Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc
310703	3/9 Design control — primary reference Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc
1330R ITEM 6	5/9 Secondary reference Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc

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 4820-01-189-9011?

NSN 4820-01-189-9011 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-189-9011?

Key specifications for 4820-01-189-9011: Overall Height: 0.250 INCHES NOMINAL IN; Outside Diameter: 0.750 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 0.257 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-189-9011 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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