Valve, Pilot Operated4820-01-225-0125

NSN 4820-01-225-0125 · NIIN 012250125

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-225-0125 · 4820012250125 · NIIN 012250125 · 01-225-0125 · FSC 4820 Valves, Nonpowered · 13365-10B · 74122 AND B/M13365-10B

Nearby stock numbers ← 4820-01-225-0124 Valve, Pilot Operated · 4820-01-225-0142 Valve Assembly, Manifold →

4820-01-225-0125 — Valves, Nonpowered

Features

Valve,pilot Operated — FSC 4820
General Characteristics Item Description: 8.00IPS AND 250IPS,VALVE SHALL BE TESTED WITH WATER TO 375 PSI FOR STRENGTH AND POROSITY WITH VALVE OPEN. VALVE SHALL BE TESTED WITH WATER TO 250 PSI FOR TIGHTNESS ON SEAT. LEAKAGE UNDER THIS TEST WILL BE CAUSE FOR REJECTION OF THE VALVE

Identification

NSN: 4820-01-225-0125
NIIN: 012250125
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,pilot Operated, cataloged under National Stock Number 4820-01-225-0125, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-225-0125
Item Name	Valve,pilot Operated
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
General Characteristics Item Description	8.00IPS AND 250IPS,VALVE SHALL BE TESTED WITH WATER TO 375 PSI FOR STRENGTH AND POROSITY WITH VALVE OPEN. VALVE SHALL BE TESTED WITH WATER TO 250 PSI FOR TIGHTNESS ON SEAT. LEAKAGE UNDER THIS TEST WILL BE CAUSE FOR REJECTION OF THE VALVE

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
13365-10B	3/2 Design control — primary reference U.S. Government activity
74122 AND B/M13365-10B	5/1 Secondary 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 4820-01-225-0125?

NSN 4820-01-225-0125 is a Valve,pilot Operated, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-225-0125?

Key specifications for 4820-01-225-0125: General Characteristics Item Description: 8.00IPS AND 250IPS,VALVE SHALL BE TESTED WITH WATER TO 375 PSI FOR STRENGTH AND POROSITY WITH VALVE OPEN. VALVE SHALL BE TESTED WITH WATER TO 250 PSI FOR TIGHTNESS ON SEAT. LEAKAGE UNDER THIS TEST WILL BE CAUSE FOR REJECTION OF THE VALVE. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-225-0125 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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