The Valve,ball, cataloged under National Stock Number 4820-01-145-0969, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 8 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-145-0969 |
| Primary Part Number | 845-2050997ASSYF |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Material | STEEL CORROSION RESISTING BODY |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Nominal Pipe Size Accommodated | 1.000 INCHES ALL ENDS IN |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 845-2050997 | Naval Ship Systems Command (USA) |
| 845-2050997ASSYF PRIMARY | Naval Ship Systems Command (USA) |
| 2640-611 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2640-611ASSYF PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 4820-01-145-0969 is a Valve,ball, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-145-0969 has 4 cross-referenced part numbers: 845-2050997 (Naval Ship Systems Command), 845-2050997ASSYF (Naval Ship Systems Command), 2640-611 (Electric Boat Corporation Div General Dynamics Electric Boat), 2640-611ASSYF (Electric Boat Corporation Div General Dynamics Electric Boat).
There are 7 known substitutes for 4820-01-145-0969: 4820-00-045-5616, 4730-01-096-3492, 4820-01-155-5029 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 845-2050997ASSYF: Style Designator: STRAIGHT THRU; Material: STEEL CORROSION RESISTING BODY; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE. 8 total characteristics are documented in the Federal Logistics Information System.