The Valve,ball, cataloged under National Stock Number 4820-01-155-5029, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-155-5029 |
| Primary Part Number | 2640-611 ASSYE |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Media for Which Designed | HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE |
| Material | STEEL COMP 304 BODY |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material Document and Classification | QQ-S-763,CLASS 304,COND A FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Style Designator | STRAIGHT THRU |
| Material | COPPER ALLOY 630 STEM |
| Material | PLASTIC POLYAMIDE NYLON SEAT |
| Material Document and Classification | QQ-C-465,COMP 630 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Valve Operation Method | MANUAL |
| Material Document and Classification | QQ-S-763,CLASS 304,COND A FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material | STEEL COMP 304 FLOW CONTROL DEVICE |
| Nominal Pipe Size Accommodated | 0.750 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2640-612 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 845-2050997 | Naval Ship Systems Command (USA) |
| 845-2050999 | Naval Ship Systems Command (USA) |
| 845-2050998 | Naval Ship Systems Command (USA) |
| 2640-611 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2640-613 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2640-611 ASSYE PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 845-2050997 ASSYE PRIMARY | Naval Ship Systems Command (USA) |
NSN 4820-01-155-5029 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 4820-01-155-5029 has 8 cross-referenced part numbers: 2640-612 (Electric Boat Corporation Div General Dynamics Electric Boat), 845-2050997 (Naval Ship Systems Command), 845-2050999 (Naval Ship Systems Command), 845-2050998 (Naval Ship Systems Command), 2640-611 (Electric Boat Corporation Div General Dynamics Electric Boat) and 3 more.
There are 12 known substitutes for 4820-01-155-5029: 5310-00-050-6646, 2915-00-988-3206, 4730-01-096-3492 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2640-611 ASSYE: Media for Which Designed: HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE; Material: STEEL COMP 304 BODY; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material Document and Classification: QQ-S-763,CLASS 304,COND A FED SPEC SINGLE MATERIAL RESPONSE BODY. 14 total characteristics are documented in the Federal Logistics Information System.