Valve, Regulating, System Pressure4820-01-517-3425

NSN 4820-01-517-3425 · NIIN 015173425

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-517-3425 · 4820015173425 · NIIN 015173425 · 01-517-3425 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-01-517-3423 Valve, Gate · 4820-01-517-3438 Valve, Safety Relief →

4820-01-517-3425 — Valves, Nonpowered

Features

Valve,regulating,system Pressure — FSC 4820
Second End Relationship with First End: IDENTICAL
Regulation Type: AUTOMATIC SINGLE STAGE
Third End Relationship with Preceding Ends: IDENTICAL WITH FIRST END
End Connection Quantity: 3
Valve Size: 0.750 INCHES IN
First End Connection Type: THREADED INTERNAL TUBE
First End Outside Diameter Tube Accommodated: 0.750 INCHES NOMINAL IN

Identification

NSN: 4820-01-517-3425
NIIN: 015173425
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-517-3425, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-517-3425
Item Name	Valve,regulating,system Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Second End Relationship with First End	IDENTICAL
Regulation Type	AUTOMATIC SINGLE STAGE
Third End Relationship with Preceding Ends	IDENTICAL WITH FIRST END
End Connection Quantity	3
Valve Size	0.750 INCHES IN
First End Connection Type	THREADED INTERNAL TUBE
First End Outside Diameter Tube Accommodated	0.750 INCHES NOMINAL IN
Thread Size and Series/type Designator	0.750 NPT FIRST END

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
55831 ITEM 10	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 4820-01-517-3425?

NSN 4820-01-517-3425 is a Valve,regulating,system Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-517-3425?

Key specifications for 4820-01-517-3425: Second End Relationship with First End: IDENTICAL; Regulation Type: AUTOMATIC SINGLE STAGE; Third End Relationship with Preceding Ends: IDENTICAL WITH FIRST END; End Connection Quantity: 3. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-517-3425 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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