PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R2030-64AA-1FM 6INValve,butterfly

Norriseal Norris Values Div Dba Dover Co · NSN 4820-01-189-5745 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-189-5745 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-189-5745. Primary manufacturer part number: R2030-64AA-1FM 6IN.
Features
  • Valve,butterfly — FSC 4820
  • Material Document and Classification: QQ-N-288, CLASS A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-288, CLASS E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
  • Valve Size: 6.000 INCHES IN
  • Material: NICKEL ALLOY R-405 STEM
  • Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Minimum Operating Temp: -30.0 FAHRENHEIT DEGF
  • Material: NICKEL ALLOY FLOW CONTROL DEVICE
  • Material Document and Classification: ASTM B164, CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy R-405 Stem construction
General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-189-5745, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Norriseal Norris Values Div Dba Dover Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-189-5745
Primary Part NumberR2030-64AA-1FM 6IN
Item NameValve,butterfly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNorriseal Norris Values Div Dba Dover Co
StatusCANCELLED
Material Document and ClassificationQQ-N-288, CLASS A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-288, CLASS E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Valve Size6.000 INCHES IN
MaterialNICKEL ALLOY R-405 STEM
Maximum Operating Temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Minimum Operating Temp-30.0 FAHRENHEIT DEGF
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Material Document and ClassificationASTM B164, CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialCOPPER ALLOY 922 BODY
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Valve Operation MethodMANUAL
Style DesignatorSTRAIGHT THRU
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
Mounting FacilityWAFER
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4820-01-050-12811025876 INTERCHANGEABLE
Valve,butterfly
Norriseal Norris Values Div Dba Dover Co
Cross-Reference Index
Part NumberManufacturer
R2030-64AA-1FM- Norriseal Norris Values Div Dba Dover Co (USA)
R2030-64AA-1FM 6IN PRIMARY Norriseal Norris Values Div Dba Dover Co (USA)
R2030-64AA-1FM 6IN Dover Resources, Inc. Div Norriseal (USA)
Related Parts
4820-01-050-1281INTERCHANGEABLE
VALVE,BUTTERFLY
1025876

Frequently Asked Questions

What is NSN 4820-01-189-5745?

NSN 4820-01-189-5745 is a Valve,butterfly, manufactured by Norriseal Norris Values Div Dba Dover Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-189-5745?

NSN 4820-01-189-5745 has 3 cross-referenced part numbers: R2030-64AA-1FM- (Norriseal Norris Values Div Dba Dover Co), R2030-64AA-1FM 6IN (Norriseal Norris Values Div Dba Dover Co), R2030-64AA-1FM 6IN (Dover Resources, Inc. Div Norriseal).

What NSN replaces 4820-01-189-5745?

There is 1 known substitute for 4820-01-189-5745: 4820-01-050-1281. Verify interchangeability with system specifications before substitution.

What are the specifications of R2030-64AA-1FM 6IN?

Key specifications for R2030-64AA-1FM 6IN: Material Document and Classification: QQ-N-288, CLASS A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-288, CLASS E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; Valve Size: 6.000 INCHES IN; Material: NICKEL ALLOY R-405 STEM; Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-189-5745 still in active supply?

NSN 4820-01-189-5745 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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