The Valve,butterfly, cataloged under National Stock Number 4820-01-212-9968, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-212-9968 |
| Primary Part Number | 911G507 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Norriseal Norris Values Div Dba Dover Co |
| Status | ACTIVE |
| Valve Operation Method | MANUAL |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 180.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | IRON CAST UNS F32800 BODY |
| Material Document and Classification | ASTM A395 60-40-18 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-N-288 COMP A OR E FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material | NICKEL ALLOY 400 STEM |
| Valve Size | 4.000 INCHES IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Material Document and Classification | ASTM B164 CLASS A ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Style Designator | STRAIGHT THRU |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 911G507 PRIMARY | Norriseal Norris Values Div Dba Dover Co (USA) |
| 4" R1011-64AA-1FM PRIMARY | Norriseal Norris Values Div Dba Dover Co (USA) |
| 911-507 | Norriseal Norris Values Div Dba Dover Co (USA) |
NSN 4820-01-212-9968 is a Valve,butterfly, manufactured by Norriseal Norris Values Div Dba Dover Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-212-9968 has 3 cross-referenced part numbers: 911G507 (Norriseal Norris Values Div Dba Dover Co), 4" R1011-64AA-1FM (Norriseal Norris Values Div Dba Dover Co), 911-507 (Norriseal Norris Values Div Dba Dover Co).
There are 2 known substitutes for 4820-01-212-9968: 4820-01-139-1761, 4820-01-212-6799. Verify interchangeability with system specifications before substitution.
Key specifications for 911G507: Valve Operation Method: MANUAL; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT; End Item Identification: MODEL R1011-64AA-1FM; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 15 total characteristics are documented in the Federal Logistics Information System.