PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

904-3Parts Kit,pressure Regulating VA

King Nutronics Corporation Dba King Nutronics · NSN 4820-01-111-2566 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-111-2566 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-111-2566. Primary manufacturer part number: 904-3.
Features
  • Parts Kit,pressure Regulating VA — FSC 4820
  • Nonsupply Items and Quantities: O-RING 2;BACKUP RING 1;RETAINER 1;SEAT 1
  • Component Quantity: 5
  • 1 verified cross-reference
  • Primary manufacturer: King Nutronics Corporation Dba King Nutronics
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Parts Kit,pressure Regulating VA, cataloged under National Stock Number 4820-01-111-2566, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is King Nutronics Corporation Dba King Nutronics. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-111-2566
Primary Part Number904-3
Item NameParts Kit,pressure Regulating VA
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKing Nutronics Corporation Dba King Nutronics
StatusACTIVE
Nonsupply Items and QuantitiesO-RING 2;BACKUP RING 1;RETAINER 1;SEAT 1
Component Quantity5
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6810-00-239-0908 INTERCHANGEABLE
Mercuric Bromide
1730-00-918-3294 INTERCHANGEABLE
Extension Screw,jack
4820-01-407-29979043 INTERCHANGEABLE
Plug,rotary,valve
Cunico Corporation
Cross-Reference Index
Part NumberManufacturer
904-3 PRIMARY King Nutronics Corporation Dba King Nutronics (USA)
Related Parts
6810-00-239-0908INTERCHANGEABLE
MERCURIC BROMIDE
1730-00-918-3294INTERCHANGEABLE
EXTENSION SCREW,JACK
4820-01-407-2997INTERCHANGEABLE
PLUG,ROTARY,VALVE
9043

Frequently Asked Questions

What is NSN 4820-01-111-2566?

NSN 4820-01-111-2566 is a Parts Kit,pressure Regulating VA, manufactured by King Nutronics Corporation Dba King Nutronics, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-111-2566?

NSN 4820-01-111-2566 has 1 cross-referenced part number: 904-3 (King Nutronics Corporation Dba King Nutronics).

What NSN replaces 4820-01-111-2566?

There are 3 known substitutes for 4820-01-111-2566: 6810-00-239-0908, 1730-00-918-3294, 4820-01-407-2997. Verify interchangeability with system specifications before substitution.

What are the specifications of 904-3?

Key specifications for 904-3: Nonsupply Items and Quantities: O-RING 2;BACKUP RING 1;RETAINER 1;SEAT 1; Component Quantity: 5. 2 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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