NSN 4820-01-548-5019 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-548-5019. Manufacturer of record part number: 4M4A-V4AN-SS.
Manufacturer of record: Parker-Hannifin Corp Div Instrumentation Products Division
Identification
NSN: 4820-01-548-5019
NIIN: 015485019
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4M4A-V4AN-SS
Manufacturer: Parker-Hannifin Corp Div Instrumentation Products Division
General Description
The Valve,check, cataloged under National Stock Number 4820-01-548-5019, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corp Div Instrumentation Products Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Valve,check
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Leonardo S.p.a Land & Naval Defence Electronics Division (CAGE A1615); Parker-Hannifin Corp Div Instrumentation Products Division (CAGE 54939)
Technical Specifications
Parameter
Value
NSN
4820-01-548-5019
Primary Part Number
4M4A-V4AN-SS
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Parker-Hannifin Corp Div Instrumentation Products Division
Parker-Hannifin Corp Div Instrumentation Products 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 4820-01-548-5019?
NSN 4820-01-548-5019 is a Valve,check, manufactured by Parker-Hannifin Corp Div Instrumentation Products Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-548-5019?
NSN 4820-01-548-5019 has 2 manufacturer part numbers on file: 35B130P001 (Leonardo S.p.a Land & Naval Defence Electronics Division), 4M4A-V4AN-SS (Parker-Hannifin Corp Div Instrumentation Products Division).
Is NSN 4820-01-548-5019 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.