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NSN 4820-01-451-8641Government record, cited

Valve, Butterfly4820-01-451-8641

NSN 4820-01-451-8641 · NIIN 014518641 · Part number RV12-1 0/12 V
Hydac Corp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 59793
Government record, cited
NSN 4820-01-451-8641 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-451-8641. Manufacturer of record part number: RV12-1 0/12 V.
Also searched as  4820-01-451-8641 · 4820014518641 · NIIN 014518641 · 01-451-8641 · FSC 4820 Valves, Nonpowered · CAGE 59793 · RV12-1 0/12 V
Nearby stock numbers  ·
Features
  • Valve,butterfly — FSC 4820
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Style Designator: STRAIGHT THRU
  • Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Valve Size: 0.500 INCHES IN
  • Nominal Thread Size: 0.500 INCHES ALL ENDS IN
  • Maximum Operating Temp: 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Media for Which Designed: OIL SINGLE RESPONSE
Identification
  • NSN: 4820-01-451-8641
  • NIIN: 014518641
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: RV12-1 0/12 V
  • Manufacturer: Hydac Corp
General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-451-8641, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydac Corp. Government technical data includes 12 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
ParameterValue
NSN4820-01-451-8641
Primary Part NumberRV12-1 0/12 V
Item NameValve,butterfly
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerHydac Corp
StatusACTIVE
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorSTRAIGHT THRU
Operating Pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size0.500 INCHES IN
Nominal Thread Size0.500 INCHES ALL ENDS IN
Maximum Operating Temp212.0 FAHRENHEIT SINGLE RESPONSE DEGF
Media for Which DesignedOIL SINGLE RESPONSE
MaterialSTEEL BODY
MaterialSTEEL FLOW CONTROL DEVICE
MaterialRUBBER PACKING
Thread Series DesignatorBSP.F ALL ENDS
Opening Pressure Setting12.0 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
RV12-1 0/12 V PRIMARY Hydac Corp (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 4820-01-451-8641?

NSN 4820-01-451-8641 is a Valve,butterfly, manufactured by Hydac Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-451-8641?

NSN 4820-01-451-8641 has 1 manufacturer part number on file: RV12-1 0/12 V (Hydac Corp).

What are the specifications of RV12-1 0/12 V?

Key specifications for RV12-1 0/12 V: Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 0.500 INCHES IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-451-8641 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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