Diaphragm, Actuator Valve, Special4820-01-203-5627

NSN 4820-01-203-5627 · NIIN 012035627

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-203-5627 · 4820012035627 · NIIN 012035627 · 01-203-5627 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-01-203-5626 Disk, Valve · 4820-01-203-5984 Disk, Rupturable →

4820-01-203-5627 — Valves, Nonpowered

Features

Diaphragm,actuator Valve,special — FSC 4820
Temp Rating: 350.0 FAHRENHEIT NOMINAL DEGF
Style Designator: SPECIAL SHAPED
Material Thickness: 0.207 INCHES NOMINAL IN
Bolt Hole Quantity: 4
Center to Center Distance Between Bolt Holes Along Length: 2.670 INCHES NOMINAL IN
Center to Center Distance Between Bolt Holes Along Width: 2.408 INCHES NOMINAL IN
Center Hole Diameter: 0.250 INCHES NOMINAL IN

Identification

NSN: 4820-01-203-5627
NIIN: 012035627
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-203-5627, 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10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-203-5627
Item Name	Diaphragm,actuator Valve,special
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Temp Rating	350.0 FAHRENHEIT NOMINAL DEGF
Style Designator	SPECIAL SHAPED
Material Thickness	0.207 INCHES NOMINAL IN
Bolt Hole Quantity	4
Center to Center Distance Between Bolt Holes Along Length	2.670 INCHES NOMINAL IN
Center to Center Distance Between Bolt Holes Along Width	2.408 INCHES NOMINAL IN
Center Hole Diameter	0.250 INCHES NOMINAL IN
Outside Corner Radius	0.184 INCHES NOMINAL IN
Material	RUBBER SYNTHETIC
Hole Diameter	0.375 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
11-4GRADE R-2	3/9 Design control — primary reference Itt Fluid Technology Corp Itt Engineered Valves 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 4820-01-203-5627?

NSN 4820-01-203-5627 is a Diaphragm,actuator Valve,special, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-203-5627?

Key specifications for 4820-01-203-5627: Overall Height: 0.293 INCHES NOMINAL IN; Temp Rating: 350.0 FAHRENHEIT NOMINAL DEGF; Style Designator: SPECIAL SHAPED; Overall Length: 3.150 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-203-5627 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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