PartsTable TECHNICAL DATA SHEET

NSN 4820-01-238-7023Government record, cited

Valve, Sequence4820-01-238-7023

NSN 4820-01-238-7023 · NIIN 012387023 · Part number R4S03-515-12A

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 9F512

Government record, cited

NSN 4820-01-238-7023 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-238-7023. Manufacturer of record part number: R4S03-515-12A.

Also searched as 4820-01-238-7023 · 4820012387023 · NIIN 012387023 · 01-238-7023 · FSC 4820 Valves, Nonpowered · CAGE 9F512 · R4S03-515-12A · 016-65057R4S03 515-12A

Nearby stock numbers ← 4820-01-238-7009 Valve, Calibrated Flow · 4820-01-238-7038 Ring, Bonnet →

4820-01-238-7023 — Valves, Nonpowered

Features

Valve,sequence — FSC 4820
General Characteristics Item Description: STEEL;0.500 IN.NPTF;3 PORTS;100-5000 PSI;194 DEGREE FAHRENHEIT IN
1 manufacturer part number on file
Manufacturer of record: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division

Identification

NSN: 4820-01-238-7023
NIIN: 012387023
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: R4S03-515-12A
Manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division

General Description

The Valve,sequence, cataloged under National Stock Number 4820-01-238-7023, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-238-7023
Primary Part Number	R4S03-515-12A
Item Name	Valve,sequence
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
Status	ACTIVE
General Characteristics Item Description	STEEL;0.500 IN.NPTF;3 PORTS;100-5000 PSI;194 DEGREE FAHRENHEIT 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

Part Number	Manufacturer
R4S03-515-12A PRIMARY	Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA)

Reference documents

Reference	Meaning
016-65057R4S03 515-12A	5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division

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 4820-01-238-7023?

NSN 4820-01-238-7023 is a Valve,sequence, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-238-7023?

NSN 4820-01-238-7023 has 1 manufacturer part number on file: R4S03-515-12A (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).

What are the specifications of R4S03-515-12A?

Key specifications for R4S03-515-12A: General Characteristics Item Description: STEEL;0.500 IN.NPTF;3 PORTS;100-5000 PSI;194 DEGREE FAHRENHEIT IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-238-7023 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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