NSN 4820-01-494-9505 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-494-9505. Manufacturer of record part number: CVHY12F12F2001AOH.
Also searched as4820-01-494-9505 ·
4820014949505 ·
NIIN 014949505 ·
01-494-9505 ·
FSC 4820 Valves, Nonpowered · CAGE 28968 · CVHY12F12F2001AOH
Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
Connection Type: THREADED INTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 900.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material: STEEL CORROSION RESISTING OVERALL
Identification
NSN: 4820-01-494-9505
NIIN: 014949505
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: CVHY12F12F2001AOH
Manufacturer: Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
General Description
The Valve,check, cataloged under National Stock Number 4820-01-494-9505, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 9 specifications, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-494-9505
Primary Part Number
CVHY12F12F2001AOH
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Status
ACTIVE
Flow Control Device
POPPET
Connection Style
PLAIN, OPTIONAL END (PIPE) ALL ENDS
Connection Type
THREADED INTERNAL PIPE ALL ENDS
Style Designator
STRAIGHT THRU
Operating Pressure
6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (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 4820-01-494-9505?
NSN 4820-01-494-9505 is a Valve,check, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-494-9505?
NSN 4820-01-494-9505 has 1 manufacturer part number on file: CVHY12F12F2001AOH (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
What are the specifications of CVHY12F12F2001AOH?
Key specifications for CVHY12F12F2001AOH: Flow Control Device: POPPET; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-494-9505 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.