PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1836-25Disk,valve

General Regulator Corp. Dba Accudriv · NSN 4820-00-618-6997 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-618-6997 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-618-6997. Primary manufacturer part number: 1836-25.
Features
  • Disk,valve — FSC 4820
  • Inside Diameter: 0.234 INCHES NOMINAL IN
  • Material: RUBBER
  • Media for Which Designed: AIR
  • Style Designator: PLAIN
  • Outside Diameter: 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: General Regulator Corp. Dba Accudriv
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-618-6997, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is General Regulator Corp. Dba Accudriv. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-618-6997
Primary Part Number1836-25
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGeneral Regulator Corp. Dba Accudriv
StatusACTIVE
Inside Diameter0.234 INCHES NOMINAL IN
MaterialRUBBER
Media for Which DesignedAIR
Style DesignatorPLAIN
Outside Diameter0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5133-00-105-8831 INTERCHANGEABLE
Drill,twist
2990-00-343-608982312S4105-500432PC11060 INTERCHANGEABLE
Power Takeoff,engine
Naval Ship Systems Command
5340-00-630-699418342 INTERCHANGEABLE
Clamp,instrument Mounting
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5950-00-809-125718342 INTERCHANGEABLE
Coil,radio Frequency
Albert Frei & Sons, Inc. Dba Afs
6240-00-935-7029F34SP41RS/WM/ECO INTERCHANGEABLE
Lamp,fluorescent
General Electric Company Dba Ge
1420-01-031-5651183625 INTERCHANGEABLE
Door,test Receptacle
Raytheon Company Dba Raytheon
4730-01-370-764218342 INTERCHANGEABLE
Clamp,hose
Leybold Usa Inc.
6515-01-371-5177 INTERCHANGEABLE
Needle,suture
Cross-Reference Index
Part NumberManufacturer
1836-25 General Regulator Corp. Dba Accudriv (USA)
1834-2 General Regulator Corp. Dba Accudriv (USA)
Related Parts
5133-00-105-8831INTERCHANGEABLE
DRILL,TWIST
2990-00-343-6089INTERCHANGEABLE
POWER TAKEOFF,ENGINE
82312S4105-500432PC11060
5340-00-630-6994INTERCHANGEABLE
CLAMP,INSTRUMENT MOUNTING
18342
5950-00-809-1257INTERCHANGEABLE
COIL,RADIO FREQUENCY
18342
6240-00-935-7029INTERCHANGEABLE
LAMP,FLUORESCENT
F34SP41RS/WM/ECO
1420-01-031-5651INTERCHANGEABLE
DOOR,TEST RECEPTACLE
183625
4730-01-370-7642INTERCHANGEABLE
CLAMP,HOSE
18342
6515-01-371-5177INTERCHANGEABLE
NEEDLE,SUTURE

Frequently Asked Questions

What is NSN 4820-00-618-6997?

NSN 4820-00-618-6997 is a Disk,valve, manufactured by General Regulator Corp. Dba Accudriv, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-618-6997?

NSN 4820-00-618-6997 has 2 cross-referenced part numbers: 1836-25 (General Regulator Corp. Dba Accudriv), 1834-2 (General Regulator Corp. Dba Accudriv).

What NSN replaces 4820-00-618-6997?

There are 8 known substitutes for 4820-00-618-6997: 5133-00-105-8831, 2990-00-343-6089, 5340-00-630-6994 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1836-25?

Key specifications for 1836-25: Inside Diameter: 0.234 INCHES NOMINAL IN; Material: RUBBER; Media for Which Designed: AIR; Style Designator: PLAIN. 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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