PartsTable TECHNICAL DATA SHEET
NSN 4820-01-233-8071Government record, cited

Piston, Actuator4820-01-233-8071

NSN 4820-01-233-8071 · NIIN 012338071 · Part number A50566MDA
Hunt Valve Company, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 11859
Government record, cited
NSN 4820-01-233-8071 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-233-8071. Manufacturer of record part number: A50566MDA.
Also searched as  4820-01-233-8071 · 4820012338071 · NIIN 012338071 · 01-233-8071 · FSC 4820 Valves, Nonpowered · CAGE 11859 · A50566MDA
Nearby stock numbers  ·
Features
  • Piston,actuator — FSC 4820
  • General Characteristics Item Description: CARBON STEEL
  • 1 manufacturer part number on file
  • Manufacturer of record: Hunt Valve Company, Inc.
Identification
  • NSN: 4820-01-233-8071
  • NIIN: 012338071
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: A50566MDA
  • Manufacturer: Hunt Valve Company, Inc.
General Description

The Piston,actuator, cataloged under National Stock Number 4820-01-233-8071, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-233-8071
Primary Part NumberA50566MDA
Item NamePiston,actuator
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
General Characteristics Item DescriptionCARBON STEEL
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
A50566MDA PRIMARY Hunt Valve Company, Inc. (USA)
Reference documents
ReferenceMeaning
A50566MDA 3/9 Design control — primary reference
Hunt Valve Company Inc Dba Union Flonetics
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 4820-01-233-8071?

NSN 4820-01-233-8071 is a Piston,actuator, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-233-8071?

NSN 4820-01-233-8071 has 1 manufacturer part number on file: A50566MDA (Hunt Valve Company, Inc.).

What are the specifications of A50566MDA?

Key specifications for A50566MDA: General Characteristics Item Description: CARBON STEEL. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-233-8071 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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