PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2781Disk,valve

Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division · NSN 4820-00-087-6367 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-087-6367 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-087-6367. Primary manufacturer part number: 2781.
Features
  • Disk,valve — FSC 4820
  • Shank Diameter: 0.368 INCHES NOMINAL IN
  • Material: STEEL
  • Inside Depth: 0.554 INCHES NOMINAL IN
  • Outside Diameter: 0.634 INCHES NOMINAL IN
  • Inside Diameter: 0.280 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-087-6367, 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 Gresen Hydraulics Div Hydraulic Valve Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-087-6367
Primary Part Number2781
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division
StatusACTIVE
Shank Diameter0.368 INCHES NOMINAL IN
MaterialSTEEL
Inside Depth0.554 INCHES NOMINAL IN
Outside Diameter0.634 INCHES NOMINAL IN
Inside Diameter0.280 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4720-00-402-5141 INTERCHANGEABLE
Hose,nonmetallic
4720-00-430-3264 INTERCHANGEABLE
Hose Assembly,nonmetallic
6140-00-538-8024 INTERCHANGEABLE
Battery,storage
5950-00-646-2629 INTERCHANGEABLE
Reactor
5840-00-699-30952781 INTERCHANGEABLE
Desiccant Set
Naval Inventory Control Point Mechanicsburg
6625-00-735-25732781 INTERCHANGEABLE
Resistor,decade
Honeywell Inc Process Control Div
5905-01-162-91462781 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
4540-01-191-49652781 INTERCHANGEABLE
Heater,range Focus
Cox & Company, Inc. Dba Cox & Co Inc
6515-01-239-69822781 INTERCHANGEABLE
Cuff,sphygmomanometer
Critikon Inc Sub of Johnson and Johnson
6540-01-549-9019PCORD INTERCHANGEABLE
Cable,power,slit Lamp,ophthalmic
Lombart Brothers, Inc.
Cross-Reference Index
Part NumberManufacturer
2781 Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (USA)
2781 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
624VLF00787 Arrow-Master, Incorporated (USA)
35P218 White Farm Equipment Co Sub of Tic Investment Inc (USA)
Related Parts
4720-00-402-5141INTERCHANGEABLE
HOSE,NONMETALLIC
4720-00-430-3264INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6140-00-538-8024INTERCHANGEABLE
BATTERY,STORAGE
5950-00-646-2629INTERCHANGEABLE
REACTOR
5840-00-699-3095INTERCHANGEABLE
DESICCANT SET
2781
6625-00-735-2573INTERCHANGEABLE
RESISTOR,DECADE
2781
5905-01-162-9146INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
2781
4540-01-191-4965INTERCHANGEABLE
HEATER,RANGE FOCUS
2781
6515-01-239-6982INTERCHANGEABLE
CUFF,SPHYGMOMANOMETER
2781
6540-01-549-9019INTERCHANGEABLE
CABLE,POWER,SLIT LAMP,OPHTHALMIC
PCORD

Frequently Asked Questions

What is NSN 4820-00-087-6367?

NSN 4820-00-087-6367 is a Disk,valve, manufactured by Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-087-6367?

NSN 4820-00-087-6367 has 4 cross-referenced part numbers: 2781 (Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division), 2781 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 624VLF00787 (Arrow-Master, Incorporated), 35P218 (White Farm Equipment Co Sub of Tic Investment Inc).

What NSN replaces 4820-00-087-6367?

There are 10 known substitutes for 4820-00-087-6367: 4720-00-402-5141, 4720-00-430-3264, 6140-00-538-8024 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2781?

Key specifications for 2781: Shank Diameter: 0.368 INCHES NOMINAL IN; Overall Height: 0.625 INCHES NOMINAL IN; Material: STEEL; Inside Depth: 0.554 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

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