PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80330Valve,restrictor Check

Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit · NSN 4820-01-572-1522 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-572-1522 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-572-1522. Primary manufacturer part number: 80330.
Features
  • Valve,restrictor Check — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,restrictor Check, cataloged under National Stock Number 4820-01-572-1522, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,restrictor Check
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersParker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit (CAGE 11362)
Technical Specifications
ParameterValue
NSN4820-01-572-1522
Primary Part Number80330
Item NameValve,restrictor Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6625-00-059-286380330 INTERCHANGEABLE
Voltage Standard
Thermo Electric Company Inc. Dba Thermo Electric Company
5999-00-166-2605 INTERCHANGEABLE
Cap,electrical
4310-00-481-3006ASP-1 INTERCHANGEABLE
Filter Plug
Arrow Pneumatics Inc
5310-00-515-875250FK720 INTERCHANGEABLE
Nut,self-Locking,hexagon
Sps Technologies, Llc Dba PB Fasteners
2030-01-179-587080330 15S341 PIECE 10 INTERCHANGEABLE
Retainer,ball Check
Milwaukee Cylinder Inc
5220-01-213-320580330 INTERCHANGEABLE
Plate,surface
Starrett L S the Co Starrett Granite Surface Plate Div
Cross-Reference Index
Part NumberManufacturer
80330 PRIMARY Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit (USA)
Related Parts
6625-00-059-2863INTERCHANGEABLE
VOLTAGE STANDARD
80330
5999-00-166-2605INTERCHANGEABLE
CAP,ELECTRICAL
4310-00-481-3006INTERCHANGEABLE
FILTER PLUG
ASP-1
5310-00-515-8752INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
50FK720
2030-01-179-5870INTERCHANGEABLE
RETAINER,BALL CHECK
80330 15S341 PIECE 10
5220-01-213-3205INTERCHANGEABLE
PLATE,SURFACE
80330

Frequently Asked Questions

What is NSN 4820-01-572-1522?

NSN 4820-01-572-1522 is a Valve,restrictor Check, manufactured by Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-572-1522?

NSN 4820-01-572-1522 has 1 cross-referenced part number: 80330 (Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit).

What NSN replaces 4820-01-572-1522?

There are 6 known substitutes for 4820-01-572-1522: 6625-00-059-2863, 5999-00-166-2605, 4310-00-481-3006 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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