PartsTable TECHNICAL DATA SHEET

NSN 4820-01-086-8243Government record, cited

Disk, Valve4820-01-086-8243

NSN 4820-01-086-8243 · NIIN 010868243

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-086-8243 · 4820010868243 · NIIN 010868243 · 01-086-8243 · FSC 4820 Valves, Nonpowered · V2D10550-4MF · V3D10095 ITEM 3 · V2D10894-4MF

Nearby stock numbers ← 4820-01-086-8087 Seat Assembly · 4820-01-086-8257 Repair Kit, Valve →

4820-01-086-8243 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Shank Diameter: 4.043 INCHES NOMINAL IN
Flange Seat to Disk End Height: 3.990 INCHES NOMINAL IN
Flange Diameter: 4.068 INCHES NOMINAL IN
Style Designator: POPPET
Inside Diameter: 1.235 INCHES NOMINAL IN
Material: STEEL

Identification

NSN: 4820-01-086-8243
NIIN: 010868243
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-086-8243, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-086-8243
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Shank Diameter	4.043 INCHES NOMINAL IN
Flange Seat to Disk End Height	3.990 INCHES NOMINAL IN
Flange Diameter	4.068 INCHES NOMINAL IN
Style Designator	POPPET
Inside Diameter	1.235 INCHES NOMINAL IN
Material	STEEL

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
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
V2D10550-4MF	5/9 Secondary reference U.S. Government activity
V3D10095 ITEM 3	5/2 Secondary reference U.S. Government activity
V2D10894-4MF	3/2 Design control — primary reference U.S. Government activity

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 4820-01-086-8243?

NSN 4820-01-086-8243 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-086-8243?

Key specifications for 4820-01-086-8243: Shank Diameter: 4.043 INCHES NOMINAL IN; Flange Seat to Disk End Height: 3.990 INCHES NOMINAL IN; Flange Diameter: 4.068 INCHES NOMINAL IN; Overall Height: 9.375 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-086-8243 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.

What is the DEMIL code for NSN 4820-01-086-8243?

NSN 4820-01-086-8243 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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