NSN 4820-01-500-9939 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-500-9939. Manufacturer of record part number: 25128-02.
Also searched as4820-01-500-9939 ·
4820015009939 ·
NIIN 015009939 ·
01-500-9939 ·
FSC 4820 Valves, Nonpowered · CAGE 09990 · 25128-02
Manufacturer of record: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Identification
NSN: 4820-01-500-9939
NIIN: 015009939
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 25128-02
Manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
General Description
The Relief Valve Cartridge, cataloged under National Stock Number 4820-01-500-9939, 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 Valve Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Relief Valve Cartridge
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (CAGE 09990)
Technical Specifications
Parameter
Value
NSN
4820-01-500-9939
Primary Part Number
25128-02
Item Name
Relief Valve Cartridge
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
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 4820-01-500-9939?
NSN 4820-01-500-9939 is a Relief Valve Cartridge, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-500-9939?
NSN 4820-01-500-9939 has 1 manufacturer part number on file: 25128-02 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).
Is NSN 4820-01-500-9939 hazardous material?
Hazardous per DLA record (HMIC Y). 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.