The Valve,ball, cataloged under National Stock Number 4820-01-220-5540, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-220-5540 |
| Primary Part Number | 2640-611 ASSYD-DY |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | STRAIGHT THRU |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Connection Style | STREAMLINED WITH ONE BRAZING RING ALL ENDS |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Media for Which Designed | HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE |
| Material | STEEL BODY |
| Bonnet Type | INSIDE SCREW |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Bonnet Attachment Method | THREADED |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SS845-2050997RE | Naval Ship Systems Command (USA) |
| 2640-611 ASSYD-DY PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| SS845-2050997 ASSYD-DY PRIMARY | Naval Ship Systems Command (USA) |
| 2640-611 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| SS845-2050997 | Naval Ship Systems Command (USA) |
| V-9546 ASSY-A | Rockwood Systems Corp (USA) |
NSN 4820-01-220-5540 is a Valve,ball, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-220-5540 has 6 cross-referenced part numbers: SS845-2050997RE (Naval Ship Systems Command), 2640-611 ASSYD-DY (Electric Boat Corporation Div General Dynamics Electric Boat), SS845-2050997 ASSYD-DY (Naval Ship Systems Command), 2640-611 (Electric Boat Corporation Div General Dynamics Electric Boat), SS845-2050997 (Naval Ship Systems Command) and 1 more.
There are 8 known substitutes for 4820-01-220-5540: 4820-01-091-1306, 4730-01-096-3492, 4820-01-107-7001 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2640-611 ASSYD-DY: Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Style Designator: STRAIGHT THRU; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Connection Style: STREAMLINED WITH ONE BRAZING RING ALL ENDS. 11 total characteristics are documented in the Federal Logistics Information System.