The Valve,ball, cataloged under National Stock Number 4820-01-220-5541, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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 | 4820-01-220-5541 |
| Primary Part Number | 2640-611 ASSEMBLY G |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Pipe Size Accommodated | 1.250 INCHES ALL ENDS IN |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Style Designator | STRAIGHT THRU |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SS845-2050997 ASSEMBLY G | Naval Ship Systems Command (USA) |
| 2640-611 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| SS845-2050997 | Naval Ship Systems Command (USA) |
| 2640-611 ASSEMBLY G PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 4820-01-220-5541 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 4820-01-220-5541 has 4 cross-referenced part numbers: SS845-2050997 ASSEMBLY G (Naval Ship Systems Command), 2640-611 (Electric Boat Corporation Div General Dynamics Electric Boat), SS845-2050997 (Naval Ship Systems Command), 2640-611 ASSEMBLY G (Electric Boat Corporation Div General Dynamics Electric Boat).
There are 8 known substitutes for 4820-01-220-5541: 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 ASSEMBLY G: Connection Style: SOCKET WITH BRAZING RING ALL ENDS; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Pipe Size Accommodated: 1.250 INCHES ALL ENDS IN; Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE. 7 total characteristics are documented in the Federal Logistics Information System.