The Valve,butterfly, cataloged under National Stock Number 4820-01-143-9024, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-143-9024 |
| Primary Part Number | 911K390 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Dover Resources, Inc. Div Norriseal |
| Status | ACTIVE |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Maximum Operating Temp | 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material | NICKEL ALLOY 400 STEM |
| Material | COPPER ALLOY 922 BODY |
| Material | NICKEL ALLOY SEAT |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | QQ-N-288 COMP A OR E FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Valve Size | 8.000 INCHES IN |
| Material Document and Classification | ASTM B164 CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Valve Operation Method | MANUAL |
| Material Document and Classification | QQ-N-288 COMP A OR 3 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 911-390 | Norriseal Norris Values Div Dba Dover Co (USA) |
| 911K390 | Norriseal Norris Values Div Dba Dover Co (USA) |
| 911K390 PRIMARY | Dover Resources, Inc. Div Norriseal (USA) |
| 8" D2030-645A-2KM | Norriseal Norris Values Div Dba Dover Co (USA) |
| 8" D2030-645A-2KM PRIMARY | Dover Resources, Inc. Div Norriseal (USA) |
NSN 4820-01-143-9024 is a Valve,butterfly, manufactured by Dover Resources, Inc. Div Norriseal, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-143-9024 has 5 cross-referenced part numbers: 911-390 (Norriseal Norris Values Div Dba Dover Co), 911K390 (Norriseal Norris Values Div Dba Dover Co), 911K390 (Dover Resources, Inc. Div Norriseal), 8" D2030-645A-2KM (Norriseal Norris Values Div Dba Dover Co), 8" D2030-645A-2KM (Dover Resources, Inc. Div Norriseal).
There is 1 known substitute for 4820-01-143-9024: 6515-00-337-6400. Verify interchangeability with system specifications before substitution.
Key specifications for 911K390: Material: NICKEL ALLOY FLOW CONTROL DEVICE; Maximum Operating Temp: 400.0 FAHRENHEIT SINGLE RESPONSE DEGF; Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY; Material: NICKEL ALLOY 400 STEM. 16 total characteristics are documented in the Federal Logistics Information System.