Diaphragm, Actuator Valve, Special4820-00-472-9849

NSN 4820-00-472-9849 · NIIN 004729849

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-00-472-9849 · 4820004729849 · NIIN 004729849 · 00-472-9849 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-00-472-9844 · 4820-00-472-9943 →

4820-00-472-9849 — Valves, Nonpowered

Features

Diaphragm,actuator Valve,special — FSC 4820
Outside Diameter: 15.250 INCHES NOMINAL IN
Taper Minor Diameter: 10.000 INCHES NOMINAL IN
Style Designator: SPECIAL SHAPED
Taper Major Diameter: 13.000 INCHES NOMINAL IN
Material Thickness: 0.104 INCHES NOMINAL IN
Bolt Hole Quantity: 16
Bolt Circle Diameter: 14.125 INCHES NOMINAL IN

Identification

NSN: 4820-00-472-9849
NIIN: 004729849
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-00-472-9849, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-00-472-9849
Item Name	Diaphragm,actuator Valve,special
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Outside Diameter	15.250 INCHES NOMINAL IN
Taper Minor Diameter	10.000 INCHES NOMINAL IN
Style Designator	SPECIAL SHAPED
Taper Major Diameter	13.000 INCHES NOMINAL IN
Material Thickness	0.104 INCHES NOMINAL IN
Bolt Hole Quantity	16
Bolt Circle Diameter	14.125 INCHES NOMINAL IN
Center Hole Diameter	0.805 INCHES NOMINAL IN
Material	RUBBER CHLOROPRENE CLASS CR
Hole Diameter	0.400 INCHES NOMINAL IN

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
10273-11-686	3/9 Design control — primary reference Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div

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 4820-00-472-9849?

NSN 4820-00-472-9849 is a Diaphragm,actuator Valve,special, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-00-472-9849?

Key specifications for 4820-00-472-9849: Overall Height: 1.250 INCHES NOMINAL IN; Outside Diameter: 15.250 INCHES NOMINAL IN; Taper Minor Diameter: 10.000 INCHES NOMINAL IN; Style Designator: SPECIAL SHAPED. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-472-9849 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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