The Valve,butterfly, cataloged under National Stock Number 4820-01-078-4534, 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 21 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-078-4534 |
| Primary Part Number | 2R2030-64AA-1FM |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Norriseal Norris Values Div Dba Dover Co |
| Status | ACTIVE |
| Flange Shape | ROUND ALL ENDS |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | NICKEL ALLOY 400 STEM |
| Face to Face Distance | 1.625 INCHES IN |
| Material Document and Classification | ASTM B164-161,CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Renewable Seat Ring Type | PRESSED-IN |
| Nominal Outside Diameter | 4.125 INCHES ALL ENDS IN |
| Valve Size | 2.000 INCHES IN |
| Material Document and Classification | QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material | RUBBER SYNTHETIC SEAT |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Connection Type | FLANGE ALL ENDS |
| Material | COPPER ALLOY 922 BODY |
| Valve Operation Method | MANUAL |
| Flange Face Design | PLAIN ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Material | RUBBER SYNTHETIC PACKING |
| Nondefinitive Spec/std Data | A CLASS AND 150 SERIES AND A CONSTRUCTION |
| Material Document and Classification | QQ-N-288,COMP A FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Nominal Thickness | 0.812 INCHES ALL ENDS IN |
| Specification/standard Data | 81349-MIL-V-22133 GOVERNMENT SPECIFICATION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2R2030-64AA-1FM PRIMARY | 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 |
| 910-191 | Norriseal Norris Values Div Dba Dover Co (USA) |
NSN 4820-01-078-4534 is a Valve,butterfly, manufactured by Norriseal Norris Values Div Dba Dover Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-078-4534 has 3 cross-referenced part numbers: 2R2030-64AA-1FM (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), 910-191 (Norriseal Norris Values Div Dba Dover Co).
There are 12 known substitutes for 4820-01-078-4534: 5950-00-229-6185, 5120-00-404-2106, 4810-00-419-6032 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2R2030-64AA-1FM: Flange Shape: ROUND ALL ENDS; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: NICKEL ALLOY 400 STEM; Face to Face Distance: 1.625 INCHES IN. 22 total characteristics are documented in the Federal Logistics Information System.