NSN 4820-01-539-7963 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-539-7963. Manufacturer of record part number: PRH101S10.
Also searched as4820-01-539-7963 ·
4820015397963 ·
NIIN 015397963 ·
01-539-7963 ·
FSC 4820 Valves, Nonpowered · CAGE H5472 · PRH101S10
Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Adjustable Pressure Range: +100.0 TO 1000.0 POUNDS PER SQUARE INCH LBS
Maximum Operating Temp: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
Identification
NSN: 4820-01-539-7963
NIIN: 015397963
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: PRH101S10
Manufacturer: Parker Hannifin B.v.
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-539-7963, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker Hannifin B.v.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
4820-01-539-7963
Primary Part Number
PRH101S10
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Parker Hannifin B.v.
Status
ACTIVE
Flow Control Device
POPPET
Minimum Operating Temp
-50.0 FAHRENHEIT DEGF
Connection Type
THREADED CARTRIDGE FIRST END
Style Designator
SCREW-IN CARTRIDGE
Operating Pressure
5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Fincantieri S.p.a. Div Direzione Navi Militari (ITA)
Reference documents
Reference
Meaning
PRH101S10
3/2Design 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 4820-01-539-7963?
NSN 4820-01-539-7963 is a Valve,safety Relief, manufactured by Parker Hannifin B.v., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-539-7963?
NSN 4820-01-539-7963 has 2 manufacturer part numbers on file: PRH101S10 (Parker Hannifin B.v.), PRH101S10 (Fincantieri S.p.a. Div Direzione Navi Militari).
What are the specifications of PRH101S10?
Key specifications for PRH101S10: Flow Control Device: POPPET; Minimum Operating Temp: -50.0 FAHRENHEIT DEGF; Connection Type: THREADED CARTRIDGE FIRST END; Style Designator: SCREW-IN CARTRIDGE. 12 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-539-7963 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.