PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300842Diaphragm,actuator Valve,special

Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division · NSN 4820-01-535-4137 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-535-4137 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-535-4137. Primary manufacturer part number: 300842.
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-535-4137, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersParker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (CAGE 91051)
Technical Specifications
ParameterValue
NSN4820-01-535-4137
Primary Part Number300842
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-221-6005MS24692-151 INTERCHANGEABLE
Pin,tapered,plain
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-01-164-7306300842 INTERCHANGEABLE
Hose,preformed
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5998-01-304-7108103563 INTERCHANGEABLE
Circuit Card Assembly
Detex Corp
4820-01-352-3827 INTERCHANGEABLE
Valve,flow Control
6515-01-515-5412300-842 INTERCHANGEABLE
Tubing,smoke Evacuator,laser
Marina Medical Instruments, Inc. Dba Marina Medical Instrument
4820-01-535-4047103629 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
4820-01-535-4097204681 INTERCHANGEABLE
Cartridge,shut-Off Valve
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
4730-01-535-4109202578 INTERCHANGEABLE
Adapter Assembly,valve
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
4820-01-590-6597 INTERCHANGEABLE
Gear Operator,valve
5305-01-643-1595810226 INTERCHANGEABLE
Screw,cap,socket Head
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
103563 ITEM NO 11 Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
300842 PRIMARY Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
103563 Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
Related Parts
5315-00-221-6005INTERCHANGEABLE
PIN,TAPERED,PLAIN
MS24692-151
4720-01-164-7306INTERCHANGEABLE
HOSE,PREFORMED
300842
5998-01-304-7108INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
103563
4820-01-352-3827INTERCHANGEABLE
VALVE,FLOW CONTROL
6515-01-515-5412INTERCHANGEABLE
TUBING,SMOKE EVACUATOR,LASER
300-842
4820-01-535-4047INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
103629
4820-01-535-4097INTERCHANGEABLE
CARTRIDGE,SHUT-OFF VALVE
204681
4730-01-535-4109INTERCHANGEABLE
ADAPTER ASSEMBLY,VALVE
202578
4820-01-590-6597INTERCHANGEABLE
GEAR OPERATOR,VALVE
5305-01-643-1595INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
810226
5310-01-643-4974INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
400388
5305-01-643-5046INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
400099

Frequently Asked Questions

What is NSN 4820-01-535-4137?

NSN 4820-01-535-4137 is a Diaphragm,actuator Valve,special, manufactured by Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-535-4137?

NSN 4820-01-535-4137 has 3 cross-referenced part numbers: 103563 ITEM NO 11 (Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division), 300842 (Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division), 103563 (Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division).

What NSN replaces 4820-01-535-4137?

There are 12 known substitutes for 4820-01-535-4137: 5315-00-221-6005, 4720-01-164-7306, 5998-01-304-7108 and 9 more. Verify interchangeability with system specifications before substitution.

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