PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R2030-64AA-2KMValve,butterfly

Dover Resources, Inc. Div Norriseal · NSN 4820-01-088-0814 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-088-0814 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-088-0814. Primary manufacturer part number: R2030-64AA-2KM.
Features
  • Valve,butterfly — FSC 4820
  • Material Document and Classification: ASTM B164 CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM
  • Face to Face Distance: 2.250 INCHES IN
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
  • Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Material: NICKEL ALLOY 400 STEM
  • Connection Type: FLANGE ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy 400 Stem construction
General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-088-0814, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dover Resources, Inc. Div Norriseal. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-088-0814
Primary Part NumberR2030-64AA-2KM
Item NameValve,butterfly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDover Resources, Inc. Div Norriseal
StatusCANCELLED
Material Document and ClassificationASTM B164 CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM
Face to Face Distance2.250 INCHES IN
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
Maximum Operating Temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialNICKEL ALLOY 400 STEM
Connection TypeFLANGE ALL ENDS
MaterialCOPPER ALLOY 922 BODY
Flange ShapeROUND ALL ENDS
Valve Operation MethodMANUAL
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Valve Size5.000 INCHES IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
Material Document and ClassificationQQ-N-288 COMP A OR E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Nominal Thickness1.062 INCHES ALL ENDS IN
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Flange Face DesignPLAIN ALL ENDS
Style DesignatorSTRAIGHT THRU FLANGED ENDS
Nominal Outside Diameter7.625 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4810-00-419-6032941-703-060-139-050M032 INTERCHANGEABLE
Valve,butterfly
Emerson Automation Solutions Final Control Us Lp
4810-00-419-6033 INTERCHANGEABLE
Valve,butterfly
4810-00-419-6034 INTERCHANGEABLE
Valve,butterfly
4810-00-419-6035 INTERCHANGEABLE
Valve,butterfly
4810-00-419-6036 INTERCHANGEABLE
Valve,butterfly
4810-00-419-9869941-703-100-139-051M032 INTERCHANGEABLE
Valve,butterfly
Emerson Automation Solutions Final Control Us Lp
4810-00-445-4783941-703-080-139-050M032 INTERCHANGEABLE
Valve,butterfly
Emerson Automation Solutions Final Control Us Lp
4820-01-050-12811025876 INTERCHANGEABLE
Valve,butterfly
Norriseal Norris Values Div Dba Dover Co
4820-01-078-45342R2030-64AA-1FM INTERCHANGEABLE
Valve,butterfly
Norriseal Norris Values Div Dba Dover Co
4820-01-085-2633941-703-020-139-050 INTERCHANGEABLE
Valve,butterfly
Emerson Automation Solutions Final Control Us Lp
Cross-Reference Index
Part NumberManufacturer
R2030-64AA-2KM Norriseal Norris Values Div Dba Dover Co (USA)
MIL-V-22133 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
R2030-64AA-2KM PRIMARY Dover Resources, Inc. Div Norriseal (USA)
Related Parts
4810-00-419-6032INTERCHANGEABLE
VALVE,BUTTERFLY
941-703-060-139-050M032
4810-00-419-6033INTERCHANGEABLE
VALVE,BUTTERFLY
4810-00-419-6034INTERCHANGEABLE
VALVE,BUTTERFLY
4810-00-419-6035INTERCHANGEABLE
VALVE,BUTTERFLY
4810-00-419-6036INTERCHANGEABLE
VALVE,BUTTERFLY
4810-00-419-9869INTERCHANGEABLE
VALVE,BUTTERFLY
941-703-100-139-051M032
4810-00-445-4783INTERCHANGEABLE
VALVE,BUTTERFLY
941-703-080-139-050M032
4820-01-050-1281INTERCHANGEABLE
VALVE,BUTTERFLY
1025876
4820-01-078-4534INTERCHANGEABLE
VALVE,BUTTERFLY
2R2030-64AA-1FM
4820-01-085-2633INTERCHANGEABLE
VALVE,BUTTERFLY
941-703-020-139-050
4820-01-088-5386INTERCHANGEABLE
VALVE,BUTTERFLY
4820-01-088-7461INTERCHANGEABLE
VALVE,BUTTERFLY

Frequently Asked Questions

What is NSN 4820-01-088-0814?

NSN 4820-01-088-0814 is a Valve,butterfly, manufactured by Dover Resources, Inc. Div Norriseal, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-088-0814?

NSN 4820-01-088-0814 has 3 cross-referenced part numbers: R2030-64AA-2KM (Norriseal Norris Values Div Dba Dover Co), MIL-V-22133 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), R2030-64AA-2KM (Dover Resources, Inc. Div Norriseal).

What NSN replaces 4820-01-088-0814?

There are 12 known substitutes for 4820-01-088-0814: 4810-00-419-6032, 4810-00-419-6033, 4810-00-419-6034 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R2030-64AA-2KM?

Key specifications for R2030-64AA-2KM: Material Document and Classification: ASTM B164 CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM; Face to Face Distance: 2.250 INCHES IN; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Special Features: WATERPROOF OPERATOR BRONZE GEAR FOR MARINE SERVICE. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-088-0814 still in active supply?

NSN 4820-01-088-0814 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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