PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R453Parts Kit,butterfly Valve

Williams Controls Inc · NSN 4820-01-022-7766 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-022-7766 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-022-7766. Primary manufacturer part number: R453.
Features
  • Parts Kit,butterfly Valve — FSC 4820
  • Nonsupply Items and Quantities: CARTRIDG3E ASSEMBLY 1,O-RING 2,DUST BOOT 1,SPRING,TORSION 1,RING,RETAINING 4,CAPSCREW 10,PACKING PREFORMED 6
  • Component Quantity: 25
  • 1 verified cross-reference
  • Primary manufacturer: Williams Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Parts Kit,butterfly Valve, cataloged under National Stock Number 4820-01-022-7766, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Williams Controls Inc. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-022-7766
Primary Part NumberR453
Item NameParts Kit,butterfly Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliams Controls Inc
StatusACTIVE
Nonsupply Items and QuantitiesCARTRIDG3E ASSEMBLY 1,O-RING 2,DUST BOOT 1,SPRING,TORSION 1,RING,RETAINING 4,CAPSCREW 10,PACKING PREFORMED 6
Component Quantity25
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-468-32883057 INTERCHANGEABLE
Gear,spur
Dynalec Corporation
6625-00-719-47701200011P2 INTERCHANGEABLE
Oscilloscope
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Cross-Reference Index
Part NumberManufacturer
R453 Williams Controls Inc (USA)
Related Parts
3020-00-468-3288INTERCHANGEABLE
GEAR,SPUR
3057
6625-00-719-4770INTERCHANGEABLE
OSCILLOSCOPE
1200011P2

Frequently Asked Questions

What is NSN 4820-01-022-7766?

NSN 4820-01-022-7766 is a Parts Kit,butterfly Valve, manufactured by Williams Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-022-7766?

NSN 4820-01-022-7766 has 1 cross-referenced part number: R453 (Williams Controls Inc).

What NSN replaces 4820-01-022-7766?

There are 2 known substitutes for 4820-01-022-7766: 3020-00-468-3288, 6625-00-719-4770. Verify interchangeability with system specifications before substitution.

What are the specifications of R453?

Key specifications for R453: Nonsupply Items and Quantities: CARTRIDG3E ASSEMBLY 1,O-RING 2,DUST BOOT 1,SPRING,TORSION 1,RING,RETAINING 4,CAPSCREW 10,PACKING PREFORMED 6; Component Quantity: 25. 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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