The Valve,check, cataloged under National Stock Number 4820-01-131-5908, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-131-5908 |
| Primary Part Number | 2620-927X2 ASSEMBLY 6M |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | CANCELLED |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bolt Hole Quantity | 4 FIRST END |
| Valve Size | 1.500 INCHES IN |
| Bolt Hole Quantity | 4 SECOND END |
| Material | COPPER ALLOY BODY |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Nominal Outside Diameter | 5.063 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.563 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 3.938 INCHES FIRST END IN |
| Nominal Outside Diameter | 5.063 INCHES FIRST END IN |
| Nominal Thickness | 0.813 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 3.938 INCHES SECOND END IN |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 0.813 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.563 INCHES FIRST END IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Flange Face Design | RECESSED WITH GASKET GROOVE FIRST END |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Flange Face Design | PLAIN SECOND END |
| Mounting Position | HORIZONTAL |
| Face to Face Distance | 7.000 INCHES IN |
| Flow Control Device | DISK |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 842-155-070-601 | National Oilwell (USA) |
| 842-134-070-601 | National Oilwell (USA) |
| 2620-927X2 ASSEMBLY 6M PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| SS845-2110236 | Naval Ship Systems Command (USA) |
| 90038-000 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| SS845-2110236 ASSEMBLY 6GA PRIMARY | Naval Ship Systems Command (USA) |
| 2620-927X2 ASSEMBLY 6GA PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 842-155-070-601 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 2620-927X2 ASSEMBLY 6S | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 842-024-020-601 | National Oilwell (USA) |
| 842-134-070-601 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 2620-927X2 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| SS845-2110236 ASSEMBLY 6M | Naval Ship Systems Command (USA) |
| SS845-2110236 ASSEMBLY 6S | Naval Ship Systems Command (USA) |
NSN 4820-01-131-5908 is a Valve,check, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-131-5908 has 14 cross-referenced part numbers: 842-155-070-601 (National Oilwell), 842-134-070-601 (National Oilwell), 2620-927X2 ASSEMBLY 6M (Electric Boat Corporation Div General Dynamics Electric Boat), SS845-2110236 (Naval Ship Systems Command), 90038-000 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 9 more.
There are 6 known substitutes for 4820-01-131-5908: 4820-01-058-2364, 4820-01-058-4351, 4820-01-075-7226 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2620-927X2 ASSEMBLY 6M: Maximum Operating Temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF; Bolt Hole Quantity: 4 FIRST END; Valve Size: 1.500 INCHES IN; Bolt Hole Quantity: 4 SECOND END. 23 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-131-5908 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.